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Tests and Procedures   - Lab Tests

Lab Tests

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  • 24-Hour Urine Protein

    24-Hour Urine Protein Does this test have other names? 24-hour albumin test, proteinuria test What is this test? This test measures the amount of protein in your urine. Healthy kidneys usually filter...

  • 5-Hydroxindoleacetic Acid (Urine)

    5-Hydroxindoleacetic Acid (Urine) Does this test have other names? 5-Hydroxindoleacetic acid urine, 5-HIAA, HIAA What is this test? This test measures the amount of 5-hydroindoleacetic acid (5-HIAA) ...

  • A1C

    A1C Does this test have other names? Hemoglobin A1c; HbA1c; HgbA1C; glycosylated hemoglobin; glycohemoglobin; Glycated hemoglobin What is this test? A1C is a blood test used to screen people to find ...

  • Acetaminophen Drug Level

    Acetaminophen Drug Level Does this test have other names? Paracetamol or Tylenol drug level What is this test? The acetaminophen drug level is a blood test used to screen for the presence of the comm...

  • Acetylcholine Receptor Antibody (Blood)

    Acetylcholine Receptor Antibody (Blood) Does this test have other names? AChR, anti-acetylcholine receptor antibody What is this test? This test measures the concentration of a substance called acety...

  • Acid-Fast Bacteria Culture

    Acid-Fast Bacteria Culture Does this test have other names? Acid-fast bacillus smear and culture, AFB smear and culture, TB culture and sensitivity, mycobacterial culture What is this test? An acid-f...

  • Acid-Fast Bacteria Smear

    Acid-Fast Bacteria Smear Does this test have other names? AFB smear microscopy, AFB smear, mycobacterial smear What is this test? This test looks for a type of bacteria called acid-fast bacillus in y...

  • Activated Partial Thromboplastin Clotting Time

    Activated Partial Thromboplastin Clotting Time Does this test have other names? Intrinsic pathway coagulation factor profile, aPTT, partial thromboplastin time, PTT, blood coagulation tests What is t...

  • Adult Lead (Blood)

    Adult Lead (Blood) Does this test have other names? Lead poisoning test What is this test? This test measures the levels of lead in your blood. High levels of lead can be toxic. Complications include...

  • Albumin (Blood)

    Albumin (Blood) Does this test have other names? ALB What is this test? This test measures the amount of the protein albumin in your blood. Your liver makes albumin. Albumin carries substances such a...

  • Albumin (Urine)

    Albumin (Urine) Does this test have other names? Urine albumin, 24-hour urine test for albumin What is this test? This test looks for a protein called albumin in your urine. The test is used to check...

  • Alpha-1 Antitrypsin

    Alpha-1 Antitrypsin Does this test have other names? Alpha-1-antiprotease deficiency, alpha-1-antiproteinase inhibitor deficiency, AAT deficiency, alpha-1-antitrypsin (A-1AT) deficiency What is this ...

  • Alpha-Fetoprotein (Amniotic Fluid)

    Alpha-Fetoprotein (Amniotic Fluid) Does this test have other names? Amniotic fluid alpha-fetoprotein, AFAFP test What is this test? This test checks a sample of amniotic fluid to confirm a suspected ...

  • Alpha-Fetoprotein (Blood)

    Alpha-Fetoprotein (Blood) Does this test have other names? msAFP screen What is this test? If you are pregnant, this test looks for a fetal substance called alpha-fetoprotein (AFP) in your blood. AFP...

  • Alpha-Fetoprotein Tumor Marker (Blood)

    Alpha-Fetoprotein Tumor Marker (Blood) Does this test have other names? AFP What is this test? This is a blood test to look for alpha-fetoprotein (AFP) in your blood. AFP is normally made by a fetus'...

  • ALT

    ALT Does this test have other names? Alanine aminotransferase, serum glutamic-pyruvic transaminase, SGPT What is this test? This test measures the amount of the enzyme alanine aminotransferase (ALT) ...

  • Ammonia

    Ammonia Does this test have other names? Blood ammonia test What is this test? This test checks the level of ammonia in your blood. The test helps find out why you may have changes in consciousness a...

  • Amphetamine Screen (Blood)

    Amphetamine Screen (Blood) Does this test have other names? Amphetamine concentrations screen (blood), amphetamine screen (blood) What is this test? This test measures the amount of a drug called amp...

  • Amphetamine Screen (Urine)

    Amphetamine Screen (Urine) Does this test have other names? Drug test, AMP, toxicology urine screen What is this test? This test detects the presence of amphetamine in your urine. Amphetamine is a ce...

  • Amylase (Blood)

    Amylase (Blood) Does this test have other names? Serum amylase What is this test? This test measures the level of the enzyme amylase in your blood. About 40 percent of the amylase in your body is mad...

  • Amylase (Urine)

    Amylase (Urine) Does this test have other names? Amylase What is this test? This test measures the level of the enzyme amylase in your urine. About 40 percent of the amylase in your body is made by y...

  • Anaerobic Culture

    Anaerobic Culture Does this test have other names? Wound culture What is this test? This test looks for certain bacteria in a wound or an infection in a fluid sample. These bacteria are called anaero...

  • Angiotensin Converting Enzyme (Blood)

    Angiotensin Converting Enzyme (Blood) Does this test have other names? Serum angiotensin converting enzyme, SACE What is this test? This test measures the level of angiotensin converting enzyme (ACE)...

  • Anion Gap (Blood)

    Anion Gap (Blood) Does this test have other names? Serum anion gap What is this test? This test looks at electrically charged particles in your blood to help your doctor diagnose acid-base imbalances...

  • Antidiuretic Hormone

    Antidiuretic Hormone Does this test have other names? Vasopressin, arginine vasopressin, AVP What is this test? This test measures the amount of antidiuretic hormone (ADH) in your blood. ADH is made ...

  • Antimyocardial Antibody

    Antimyocardial Antibody Does this test have other names? AMA, anti-cardiac muscle antibody What is this test? This test measures the level of antimyocardial antibodies (AMAs) in your blood. AMAs are ...

  • Antinuclear Antibody

    Antinuclear Antibody Does this test have other names? ANA, fluorescent antinuclear antibody test, FANA What is this test? This blood test is done to help your doctor diagnose a type of illness called...

  • Antiphospholipid Antibody

    Antiphospholipid Antibody Does this test have other names? APA, lupus anticoagulant, anticardiolipin antibodies What is this test? This blood test checks for antiphospholipid antibodies, which may be...

  • Antithrombin (Activity and Antigen)

    Antithrombin (Activity and Antigen) Does this test have other names? Functional antithrombin III, functional AT, AT activity What are these tests? The antithrombin activity and antigen tests are used...

  • Antitissue Transglutaminase Antibody

    Anti-tissue Transglutaminase Antibody Does this test have other names? IgA anti-tissue transglutaminase, IgA Anti-tTG, celiac disease testing What is this test? This test is used to screen for celiac...

  • Apolipoprotein A

    Apolipoprotein A Does this test have other names? Apo A-1, apolipoprotein a-1 What is this test? This test measures the amount of apolipoprotein A in your blood. It helps evaluates your risk for card...

  • Apolipoprotein B100

    Apolipoprotein B-100 Does this test have other names? ApoB100, Apolipoprotein B, ApoB, Apolipoprotein (B) What is this test? This test measures the amount of a certain type of cholesterol called apol...

  • Arterial Blood Gas (ABG)

    Arterial Blood Gas (ABG) Does this test have other names? ABG, systemic arterial blood gas analysis, PaO 2 , PaCO 2, pH, or oxygen saturation test. What is this test? An arterial blood gas analysis (...

  • Aspartate Transaminase

    Aspartate Transaminase Does this test have other names? AST, serum glutamic oxaloacetic transaminase test, SGOT What is this test? This blood test is used to diagnose liver damage. Aspartate transami...

  • Bartonella Antibody

    Bartonella Antibody Does this test have other names? Cat scratch disease blood test, indirect fluorescent antibody test (IFA) for IgM and IgG against B. henselae What is this test? This blood test sc...

  • Basic Metabolic Panel (Blood)

    Basic Metabolic Panel (Blood) Does this test have other names? BMP, chemistry panel, chem 7, electrolyte panel What is this test? This blood test gives information about your body's metabolism, or ho...

  • Bence-Jones Protein (Urine)

    Bence-Jones Protein (Urine) Does this test have other names? Urine protein electrophoresis, immunofixation electrophoresis, immunoassay for free light chains What is this test? The Bence-Jones protei...

  • Benzodiazepines (Blood)

    Benzodiazepines (Blood) Does this test have other names? Benzodiazepine drug screen What is this test? This is a blood test to screen for a class of drugs called benzodiazepines (ben-ZOH-die-AZ-uh-pe...

  • Benzodiazepines (Urine)

    Benzodiazepines (Urine) Does this test have other names? Toxic urine screen, urine toxicology screen What is this test? This is a urine test to screen for a class of drugs called benzodiazepines. Ben...

  • Beta Hemolytic Streptococcus Culture (Throat)

    Beta Hemolytic Streptococcus Culture (Throat) Does this test have other names? Strep test, throat culture What is this test? This test looks for the bacteria that cause strep throat. This condition c...

  • Bicarbonate

    Bicarbonate Does this test have other names? Carbon dioxide test, CO 2 test What is this test? This test measures the amount of bicarbonate, a form of carbon dioxide, in your blood. Bicarbonate, also...

  • Bilirubin (Amniotic Fluid)

    Bilirubin (Amniotic Fluid) Does this test have other names? Amniocentesis, Amniotic fluid bilirubin optical density, OD What is this test? This test is done to see how well your baby is developing in...

  • Blood Smear

    Blood Smear Does this test have other names? Peripheral blood smear, blood smear analysis, peripheral blood film, smear What is this test? This is a blood test to look at the number and shape of your...

  • Blood Type and Crossmatch

    Blood Type and Crossmatch Does this test have other names? Blood typing, crossmatching What is this test? This is a set of tests that looks for harmful interactions between your blood and donor blood...

  • Blood Urea Nitrogen

    Blood Urea Nitrogen Does this test have other names? Urea nitrogen, BUN, serum BUN What is this test? A blood urea nitrogen (BUN) test measures the amount of urea nitrogen found in your blood. BUN le...

  • BNP (Blood)

    BNP (Blood) Does this test have other names? B-type natriuretic peptide What is this test? This test looks for the protein BNP in your blood. BNP is made inside the pumping chambers of your heart whe...

  • Bone Marrow Aspiration and Biopsy

    Bone Marrow Aspiration and Biopsy Does this test have other names? Bone marrow exam What is this test? This is a two-part test that looks at the blood cells in a sample of bone marrow, the spongy tis...

  • Bordetella Pertussis Antibody (Blood)

    Bordetella Pertussis Antibody (Blood) Does this test have other names? Whooping cough antibody test What is this test? This test checks for Bordetella pertussis antibodies in your blood. B. pertussis...

  • Borrelia Antibody (Blood)

    Borrelia Antibody (Blood) Does this test have other names? Borrelia burgdorferi antibodies test, IgM/IgG test, Lyme disease test What is this test? This test measures the level of Borrelia antibodies...

  • Borrelia Antibody (CSF)

    Borrelia Antibody (CSF) Does this test have other names? Lyme disease test (CSF) What is this test? This test looks for Borrelia antibodies in your cerebrospinal fluid (CSF). Borrelia burgdorferi bac...

  • Brucella Antibody

    Brucella Antibody Does this test have other names? Brucella agglutination titer, Brucella antibody titer, Brucella-specific agglutination, Brucella microagglutination test, BMAT, standard tube agglut...

  • Brucella Antibody (CSF)

    Brucella Antibody (CSF) Does this test have other names? CSF agglutination test What is this test? This test looks at fluid from your spinal cord to find out if you have an illness called brucellosis...

  • CA 125

    CA 125 Does this test have other names? Cancer antigen 125, glycoprotein antigen, ovarian cancer antigen What is this test? This test looks for the protein CA 125 in your blood. CA 125 is higher in m...

  • CA 19-9

    CA 19-9 Does this test have other names? Cancer antigen 19-9, CA 19-9 radioimmunoassay (RIA) test What is this test? This test looks for the antigen called CA 19-9 in your blood. Antigens are substan...

  • CA 27-29

    CA 27-29 Does this test have other names? Cancer antigen 27-29 What is this test? CA 27-29 is a blood test used to monitor certain types of cancer. CA 27-29 is the name of an antigen, which is a subs...

  • Calcium (Blood)

    Calcium (Blood) Does this test have other names? Total calcium, ionized calcium What is this test? A calcium blood test measures the amount of calcium circulating in your bloodstream. Your doctor can...

  • Calcium (Urine)

    Calcium (Urine) Does this test have other names? Urinalysis (calcium) What is this test? This test measures the level of calcium in your urine. Your body uses calcium in many ways, from developing te...

  • Campylobacter Culture (Stool)

    Campylobacter Culture (Stool) Does this test have other names? Stool sample examination, fecal (poop) smear What is this test? This test looks for harmful bacteria in a culture sample from your stool...

  • Cannabinoid Screen and Confirmation (Urine)

    Cannabinoid Screen and Confirmation (Urine) Does this test have other names? Marijuana screen, drug abuse screening test, DAST, marijuana drug test (urine), drug abuse test What is this test? This is...

  • Carbon Dioxide (Blood)

    Carbon Dioxide (Blood) Does this test have other names? Carbon dioxide content, CO2 content, carbon dioxide blood test, bicarbonate blood test, bicarbonate test What is this test? This test measures ...

  • Carbon Monoxide (Blood)

    Carbon Monoxide (Blood) Does this test have other names? CO blood test, CO blood gas, arterial blood gas What is this test? This test measures the level of carbon monoxide (CO) in your blood. Carbon ...

  • Carcinoembryonic Antigen

    Carcinoembryonic Antigen Does this test have other names? CEA What is this test? This test measures a protein called carcinoembryonic antigen (CEA) in your blood. This protein is present on some type...

  • Cardiac Biomarkers (Blood)

    Cardiac Biomarkers (Blood) Does this test have other names? No. What is this test? This test measures the levels of cardiac biomarkers – enzymes, hormones, and proteins – in your blood. Cardiac bioma...

  • Cardiolipin Antibody

    Cardiolipin Antibody Does this test have other names? Cardiolipin antibodies (IgG, IgM, IgA), anticardiolipin What is this test? A cardiolipin antibodies test measures the concentration of the antibo...

  • Catecholamines (Blood)

    Catecholamines (Blood) Does this test have other names? Dopamine, epinephrine, and norepinephrine tests What is this test? This test measures the levels of catecholamines in your blood. The catechola...

  • Catecholamines (Urine)

    Catecholamines (Urine) Does this test have other names? No. What is this test? This test measures the levels of catecholamines in your urine. Catecholamines are hormones made by your adrenal glands a...

  • CD4-CD8 Ratio

    CD4-CD8 Ratio Does this test have other names? CD4/CD8 ratio T-cell test What is this test? This test looks at the ratio of two important types of white blood cells in your blood. Lymphocytes are a t...

  • Ceruloplasmin (Blood)

    Ceruloplasmin (Blood) Does this test have other names? CP What is this test? This is a blood test used to measure the amount of a copper-containing protein in the blood. This test is used to identify...

  • Chlamydia Pneumoniae (Swab)

    Chlamydia Pneumoniae (Swab) Does this test have other names? Chlamydophila pneumoniae ( C. pneumoniae ) (swab), throat culture, pneumonia testing What is this test? If your health care provider suspe...

  • Chlamydia Trachomatis (Swab)

    Chlamydia Trachomatis (Swab) Does this test have other names? C. trachomatis test, CZ test, chlamydia test What is this test? This test looks for Chlamydia trachomatis bacteria in a sample of cells c...

  • Chlamydia Trachomatis (Urine)

    Chlamydia Trachomatis (Urine) Does this test have other names? No. What is this test? This test looks for Chlamydia trachomatis bacteria in a sample of cells collected by your doctor. C. trachomatis ...

  • Chloride

    Chloride Does this test have other names? Cl, serum chloride test What is this test? This test will find out how much chloride is in your blood and help your doctor figure out if you may have certain...

  • Chloride (Urine)

    Chloride (Urine) Does this test have other names? Urine chloride What is this test? This test measures the amount of chloride in your urine. Your body tries to keep the acid-base – or pH – level of y...

  • Cholesterol

    Cholesterol Does this test have other names? Total blood cholesterol, serum cholesterol What is this test? This test measures the amount of cholesterol in your blood to help determine your risk for h...

  • Cholinesterase (Blood)

    Cholinesterase (Blood) Does this test have other names? Serum cholinesterase, RBC cholinesterase, red cell cholinesterase What is this test? This test looks for signs of chemical poisoning in your bl...

  • Chromosome Analysis

    Chromosome Analysis Does this test have other names? Genetic testing, karyotyping What is this test? This test looks for changes, or abnormalities, in the chromosomes that make up your body's DNA, or...

  • Clinical Genetic Testing

    Clinical Genetic Testing Does this test have other names? Genetic screening, DNA test or testing, chromosomal test, gene testing, DNA-based test What is this test? Genetic testing is usually done to ...

  • Clonazepam Drug Level (Blood)

    Clonazepam Level (Blood) Does this test have other names? Klonopin level What is this test? This test measures the amount of clonazepam in your blood. Clonazepam is a drug used to treat seizures. It'...

  • Clostridium Difficile Toxin (Stool)

    Clostridium Difficile Toxin (Stool) Does this test have other names? C. diff , C. difficile What is this test? This is a test to look at your stool for toxins produced by Clostridium difficile bacter...

  • Cocaine Screen

    Cocaine Screen Does this test have other names? Cocaine drug test, toxicology screen, tox screen, substance abuse test, drug-of-abuse test What is this test? A cocaine screen is a test done to find o...

  • Complement C3 (Blood)

    Complement C3 (Blood) Does this test have other names? Complement component 3, C3 What is this test? This test measures the amount of C3 proteins in your blood. These proteins are part of your comple...

  • Complement C4 (Blood)

    Complement C4 (Blood) Does this test have other names? Complement component 4, C4 What is this test? This test measures the amount of C4 proteins in your blood. These proteins are part of your comple...

  • Complete Blood Count

    Complete Blood Count Does this test have other names? CBC What is this test? The complete blood count (CBC) is a blood test used to screen your overall health and to look for many different illnesses...

  • Complete Blood Count with Differential

    Complete Blood Count with Differential Does this test have other names? CBC w/ diff What is this test? This panel of tests looks for many illnesses, including anemia, infections, and leukemia, in you...

  • Complete Urinalysis

    Complete Urinalysis Does this test have other names? Urine test, urine examination, UA What is this test? This test looks at a sample of your urine. Your doctor can use the results from this test to ...

  • Comprehensive Metabolic Panel

    Comprehensive Metabolic Panel Does this test have other names? Metabolic panel, CMP, chem 12, chemistry panel, chemistry screen, (formerly SMAC, sequential multiple analyzer chemistry) What is this t...

  • Cortisol (Blood)

    Cortisol (Blood) Does this test have other names? Blood cortisol; cortisol, blood; plasma cortisol; cortisol, plasma What is this test? A serum cortisol test may help in the diagnosis of two fairly u...

  • Cortisol (Urine)

    Cortisol (Urine) Does this test have other names? Urine free cortisol test What is this test? A urine cortisol test may help in the diagnosis of two fairly uncommon medical conditions: Cushing's synd...

  • C-Peptide (Urine)

    C-Peptide (Urine) Does this test have other names? Urine C-peptide What is this test? This test measures how much insulin your body produces. If you have hypoglycemia, or low blood sugar, or other is...

  • C-Reactive Protein (Blood)

    C-Reactive Protein (Blood) Does this test have other names? CRP What is this test? The C-reactive protein (CRP) test is used to detect inflammation in your body. It does this by measuring the amount ...

  • Creatine Kinase (Blood)

    Creatine Kinase (Blood) Does this test have other names? Creatine phosphokinase, CK, CPK What is this test? This test measures the amount of a protein called creatine kinase (CK) in your blood. The m...

  • Creatine Kinase MB (Blood)

    Creatine Kinase MB (Blood) Does this test have other names? CK-MB What is this test? This test measures the amount of the enzyme creatine kinase (CK) in your blood. Your body makes many forms of CK, ...

  • Creatine Kinase MB/Creatine Kinase Ratio

    Creatine Kinase MB/Creatine Kinase Ratio Does this test have other names? Ratio of CK-MB to total CK, cardiac index What is this test? This test measures the amount of creatine kinase (CK), an enzyme...

  • Creatine Kinase with Isoenzymes (Blood)

    Creatine Kinase with Isoenzymes (Blood) Does this test have other names? Creatine kinase, creatine phosphokinase with isoenzymes, CK, CPK, CK-MM, CK-MB, CK-BB What is this test? This test is used to ...

  • Creatinine (Blood)

    Creatinine (Blood) Does this test have other names? Serum creatinine, blood creatinine What is this test? This is a blood test that measures how well your kidneys work. Clearing and filtering waste p...

  • Creatinine (Urine)

    Creatinine (Urine) Does this test have other names? Urine creatinine What is this test? This test measures the level of a substance called creatinine in your urine. Creatinine is a waste product that...

  • Creatinine Clearance

    Creatinine Clearance Does this test have other names? CRCL, CCT What is this test? This test measures how well your kidneys are working and how well blood is flowing to them. Creatinine is a waste pr...

  • Cryofibrinogen

    Cryofibrinogen Does this test have other names? Cryofibrinogenemia, CF What is this test? This test looks for an abnormal protein called cryofibrinogen in your blood plasma. People who have this abno...

  • Cryoglobulin

    Cryoglobulin Does this test have other names? Cryocrit, cryoprotein What is this test? This test is done to find out if you have abnormal proteins in your blood. Blood proteins include normal immunog...

  • Cystatin C

    Cystatin C Does this test have other names? No. What is this test? This test measures the amount of a protein called cystatin C in your blood. Your body makes cystatin C constantly, and the protein i...

  • Cystic Fibrosis Genetic Carrier Testing

    Cystic Fibrosis Genetic Carrier Testing Does this test have other names? Cystic fibrosis genetic testing What is this test? This test is done to see if you carry a defective gene that may cause cysti...

  • Cystic Fibrosis Sweat Test

    Cystic Fibrosis Sweat Test Does this test have other names? Chloride sweat test What is this test? A chloride sweat test is the gold standard test for diagnosing cystic fibrosis (CF). CF is a disease...

  • Cytomegalovirus (Amniotic Fluid)

    Cytomegalovirus (Amniotic Fluid) Does this test have other names? No. What is this test? This test checks a developing baby for cytomegalovirus (CMV), a virus that belongs to the herpes family of vir...

  • Cytomegalovirus (Blood)

    Cytomegalovirus (Blood) Does this test have other names? CMV (serum), cytomegalovirus serologic test, cytomegalovirus antibody, IgG, IgM What is this test? This test looks for antibodies to cytomegal...

  • Cytomegalovirus (Urine)

    Cytomegalovirus (Urine) Does this test have other names? CMV test What is this test? This is a urine test for cytomegalovirus (CMV), a common virus that belongs to the herpes family. It is so widespr...

  • D-Dimer

    D-Dimer Does this test have other names? Fragment D-dimer, fibrin degradation fragment What is this test? This is a blood test to look for a substance called D-dimer. This test is used to rule out a ...

  • Deamidated Gliadin Antibody

    Deamidated Gliadin Antibody Does this test have other names? Deamidated gliadin peptide antibodies, DGP, DGP-AGA What is this test? This test looks for the level of deamidated gliadin antibodies (DMG...

  • Digoxin Drug Level

    Digoxin Drug Level Does this test have other names? Therapeutic digoxin monitoring, dig level What is this test? This test measures the amount of the heart drug digoxin in your blood. Digoxin is a dr...

  • Diphtheria Antitoxoid Antibody

    Diphtheria Antitoxoid Antibody Does this test have other names? Anti-diphtheria test, DIPH2, DIPO, DIPE What is this test? This test measures the level of diphtheria antibodies in your blood. Diphthe...

  • Direct Antiglobulin

    Direct Antiglobulin Does this test have other names? Direct Coombs test What is this test? The direct antiglobulin test is a blood test used to diagnose a type of anemia caused by your immune system....

  • Direct Bilirubin

    Direct Bilirubin Does this test have other names? Conjugated bilirubin What is this test? This test looks for bilirubin in your blood or urine. Bilirubin is a substance made when your body breaks dow...

  • EBV Antibody

    EBV Antibody Does this test have other names? Specific Epstein-Barr virus antibodies, EBV-specific antibodies What is this test? This is a blood test that checks for antibodies to the Epstein-Barr vi...

  • Electrolytes

    Electrolitos ¿Tiene esta prueba otros nombres? Panel de electrolitos, litos, sodio (Na), potasio (K), cloruro (Cl), dióxido de carbono (CO 2 ). ¿Qué es esta prueba? Esta prueba mide los electrolitos ...

  • Endomysial Antibody

    Endomysial Antibody Does this test have other names? EMA test What is this test? This test looks for certain antibodies in your blood that may mean you have celiac disease, an autoimmune disease. If ...

  • Entamoeba histolytica Antibody

    Entamoeba histolytica Antibody Does this test have other names? Amebiasis antibody test What is this test? This blood test tells your doctor whether you have antibodies in your blood to the parasite ...

  • Erythrocyte Sedimentation Rate

    Erythrocyte Sedimentation Rate Does this test have other names? ESR, sed rate What is this test? Erythrocyte sedimentation rate (ESR) is a blood test that measures how quickly erythrocytes, or red bl...

  • Erythropoietin (Blood)

    Erythropoietin (Blood) Does this test have other names? EPO What is this test? This is a test to measure how much erythropoietin (EPO) you have in your blood. EPO is a hormone that your kidney produc...

  • Estradiol (Blood)

    Estradiol (Blood) Does this test have other names? E2 What is this test? This test measures the amount of estradiol (E2), the form of estrogen made primarily by the ovaries. E2 plays a key role in th...

  • Ethanol (Blood)

    Ethanol (Blood) Does this test have other names? Blood alcohol test What is this test? This test measures the amount of alcohol, or ethanol, in your blood. When you drink alcohol, more than 90 percen...

  • Factor I

    Factor I Does this test have other names? Factor I (fibrinogen), serum fibrinogen, functional fibrinogen What is this test? This test measures the level of a protein called fibrinogen in your blood. ...

  • Factor II

    Factor II Does this test have other names? Factor II assay What is this test? This test measures how much of a protein called factor II is in your blood. It can help find out whether you have a bleed...

  • Factor IX (Antihemophilic Factor B)

    Factor IX (Antihemophilic Factor B) Does this test have other names? Hemophilia B, Christmas disease, factor IX hemophilia, FIX, factor IX deficiency test What is this test? When people with hemophil...

  • Factor V

    Factor V Does this test have other names? Factor V assay, clotting factor tests What is this test? A factor V test is a blood test that checks for a deficiency in a protein known as factor V. This pr...

  • Factor VIII (Antihemophilic Factor A)

    Factor VIII (Antihemophilia Factor A) Does this test have other names? Antihemophilia factor A test, AHF, factor VIII:C, coagulation factor test What is this test? This test measures the activity of ...

  • Factor X

    Factor X Does this test have other names? Factor assays, clotting factor tests What is this test? A factor X test is a blood test that checks for a deficiency in a protein in the blood called factor ...

  • Factor XI

    Factor XI Does this test have other names? FXI, factor XI deficiency test, test for hemophilia C What is this test? This test measures the amount of factor XI in your blood. Factor XI is a substance ...

  • Factor XII

    Factor XII Does this test have other names? Coagulation factor XII, F12, FA12-human, HAE3, HAEX, HAF, Hageman factor What is this test? This test measures the amount of a protein called coagulation f...

  • Fecal Fat

    Fecal Fat Does this test have other names? Fat in stool, fecal fat stain, quantitative stool fat What is this test? This test measures the amount of fat in your stool. Having too much fat in your sto...

  • Fecal Occult Blood Test

    Fecal Occult Blood Test Does this test have other names? FOBT, stool occult blood What is this test? A fecal occult blood test checks a stool sample for blood that can't be seen with the naked eye. B...

  • Ferritin (Blood)

    Ferritin (Blood) Does this test have other names? Serum ferritin level What is this test? This test measures how much iron is in your blood. Ferritin is a protein that stores iron. Red blood cells ne...

  • Fetal Fibronectin

    Fetal Fibronectin Does this test have other names? fFN What is this test? This test measures the amount of fetal fibronectin (fFN), a protein made during pregnancy. It's found between the lining of y...

  • Fluphenazine Drug Level (Blood)

    Fluphenazine Drug Level (Blood) Does this test have other names? No. What is this test? This blood test measures the amount of the drug fluphenazine in your blood. Fluphenazine is an antipsychotic me...

  • Folate

    Folate Does this test have other names? Vitamin B 9 , folic acid test What is this test? This is a blood test to measure the concentration of folate in the liquid part of your blood, called serum, or...

  • Follicle-Stimulating Hormone

    Follicle-Stimulating Hormone Does this test have other names? FSH What is this test? This test measures the level of follicle-stimulating hormone (FSH), an important hormone made in your pituitary gl...

  • Fragile X Syndrome (Amniotic Fluid)

    Fragile X Syndrome (Amniotic Fluid) Does this test have other names? FMR1 test, molecular Fragile X diagnosis, Fragile X DNA test What is this test? This test checks a sample of your amniotic fluid t...

  • Free and Bound T4

    Free and Bound T 4 Does this test have other names? Total T 4 concentration, thyroxine screen, free T 4 concentration What is this test? This is a blood test to measure your level of the hormone thyr...

  • Free and Bound Triiodothyronine (Blood)

    Free and Bound Triiodothyronine (Blood) Does this test have other names? Triiodothyronine test, T3 test, thyroid function test What is this test? This test measures the level of triiodothyronine (T3)...

  • Free Androgen Index

    Free Androgen Index Does this test have other names? FAI What is this test? A free androgen index (FAI) is a ratio figured out after a blood test for testosterone. It's used to see whether you have a...

  • Free Light Chains (Blood)

    Free Light Chains (Blood) Does this test have other names? Serum free light chain assay, Freelite What is this test? This test looks for signs of antibodies called immunoglobulins in your blood. Immu...

  • Free T4

    Free T 4 Does this test have other names? Free thyroxine test What is this test? This test measures the levels of free T 4 , or free thyroxine, in your blood. A free T 4 test is used to find out how ...

  • Free Testosterone

    Free Testosterone Does this test have other names? Free T-index What is this test? This test measures your total testosterone and the amount of unattached, or "free," testosterone in your blood. Men ...

  • Galactosemia

    Galactosemia Does this test have other names? Classic galactosemia; galactosemia type I; galactokinase deficiency disease; galactosemia type II; galactose epimerase deficiency; galactosemia type III;...

  • Gamma-Glutamyl Transpeptidase

    Gamma-Glutamyl Transpeptidase Does this test have other names? GGTP, gamma-glutamyl transferase, GGT What is this test? This test looks for an enzyme, or protein, called gamma-glutamyl transpeptidase...

  • Gastrin

    Gastrin Does this test have other names? No. What is this test? This test measures the amount of gastrin in your blood. Gastrin is a hormone made by G cells in the lower part of your stomach. It cont...

  • Giardia Antigen (Stool)

    Giardia Antigen (Stool) Does this test have other names? Stool antigen test What is this test? This is a stool sample test to look for the parasite Giardia intestinalis , which causes an infection of...

  • Glomerular Filtration Rate

    Glomerular Filtration Rate Does this test have other names? GFR, estimated glomerular filtration rate, EGFR What is this test? This is either a blood test or a urine test that looks for changes in ho...

  • Glucose (Blood)

    Glucose (Blood) Does this test have other names? Blood sugar, self-monitoring of blood glucose (SMBG), fasting plasma glucose (FPG), random plasma glucose What is this test? A blood glucose test is a...

  • Glucose (CSF)

    Glucose (CSF) Does this test have other names? CSF glucose What is this test? This test measures the amount of glucose, or blood sugar, is in your cerebrospinal fluid (CSF), the fluid that surrounds ...

  • Glucose (Urine)

    Glucose (Urine) Does this test have other names? Urine glucose What is this test? A urine glucose test is used to indirectly determine whether your levels of glucose, or blood sugar, are within a hea...

  • Glucose Tolerance

    Glucose Tolerance Does this test have other names? Oral glucose tolerance test, OGTT What is this test? An oral glucose tolerance test (OGTT) is used to screen for diabetes or prediabetes. To start t...

  • Glucose-6-Phosphate Dehydrogenase

    Glucose-6-Phosphate Dehydrogenase Does this test have other names? glucose-6-phosphate dehydrogenase [de-hy-DRAW-jen-aze] deficiency, G6PD deficiency, G6PDD What is this test? This is a blood test to...

  • Gonorrhea (Urine)

    Gonorrhea (Urine) Does this test have other names? Neisseria gonorrhoeae , N. gonorrhoeae What is this test? This urine test helps find out whether you are infected with gonorrhea, a common sexually ...

  • Gonorrhea Culture (Discharge)

    Gonorrhea Culture (Discharge) Does this test have other names? GC, STD culture, culture of the cervix, urethra, and anus What is this test? Gonorrhea is a sexually transmitted disease (STD) caused by...

  • Gonorrhea Culture (DNA Probe)

    Gonorrhea Culture (DNA Probe) Does this test have other names? Nucleic acid hybridization test, DNA probe test, molecular probe test What is this test? This test looks for DNA of gonorrhea bacteria i...

  • Gram Stain

    Gram Stain Does this test have other names? Gram stain procedure What is this test? This test looks at various bodily fluids to find out whether you have a bacterial infection – and if so, which kind...

  • Growth Hormone (Blood)

    Growth Hormone (Blood) Does this test have other names? No. What is this test? This test measures the amount of growth hormone (GH) in your blood. GH is made in your pituitary gland. It affects heigh...

  • Growth Hormone Antibody

    Growth Hormone Antibody Does this test have other names? Anti-human GH antibodies, growth hormone neutralizing antibodies What is this test? This test looks for growth hormone (GH) antibodies in your...

  • Growth Hormone with Stimulation (Blood)

    Growth Hormone with Stimulation (Blood) Does this test have other names? GH, GHD, arginine, insulin tolerance test or insulin-induced hypoglycemia, clonidine, L-dopa, glucagon, growth-hormone-releasi...

  • Growth Hormone with Suppression (Blood)

    Growth Hormone with Suppression (Blood) Does this test have other names? GH What is this test? This test measures the level of growth hormone (GH) in your blood. GH is made in your pituitary gland. I...

  • Haemophilus Influenzae Antibody

    Haemophilus influenzae Antibody Does this test have other names? Haemophilus influenzae type b (Hib) IgG antibody level What is this test? This test measures the amount of anti-Hib IgG immunoglobulin...

  • Haptoglobin

    Haptoglobin Does this test have other names? HPT, hemoglobin-binding protein, Hp What is this test? This test measures the level of a protein called haptoglobin in your blood. Haptoglobin is made by ...

  • HCG (Blood)

    HCG (Blood) Does this test have other names? Human chorionic gonadotropin hormone test What is this test? Human chorionic gonadotropin (HCG) is a type of hormone. Both men and women have small amount...

  • HCG (Urine)

    HCG (Urine) Does this test have other names? Human chorionic gonadotropin urine test What is this test? This test measures the amount of human chorionic gonadotropin (HCG) in your urine. When you get...

  • HDL Cholesterol

    HDL Cholesterol Does this test have other names? High-density lipoprotein cholesterol What is this test? An HDL cholesterol test measures the amount of high-density lipoprotein ("good") cholesterol i...

  • Helicobacter Pylori Antibody

    Helicobacter Pylori Antibody Does this test have other names? H. pylori What is this test? This test measures the levels of Helicobacter pylori antibodies in your blood. H. pylori are bacteria that c...

  • Helicobacter Pylori Culture

    Helicobacter Pylori Culture Does this test have other names? H. pylori culture What is this test? This test finds out if you are infected with Helicobacter pylori bacteria. This is a common bacterium...

  • Helicobacter Pylori Urea Breath

    Helicobacter Pylori Urea Breath Does this test have other names? Urea breath test, UBT What is this test? This is a breath test that checks for Helicobacter pylori ( H. pylori ), a common infection. ...

  • Hemoglobin

    Hemoglobin Does this test have other names? Hb, Hgb, H and H, Hemoglobin and hematocrit What is this test? This is a blood test to find out how much hemoglobin is in your blood. Hemoglobin is the mai...

  • Hemoglobin (Fetal)

    Hemoglobin (Fetal) Does this test have other names? Hemoglobin analysis, hemoglobin electrophoresis What is this test? A fetal hemoglobin test is a blood test that checks the amount of fetal hemoglob...

  • Hemoglobin C

    Hemoglobin C Does this test have other names? Hemoglobin C blood test, hemoglobin electrophoresis, Hgb electrophoresis What is this test? Hemoglobin C is a blood test used to find out if you have hem...

  • Hemoglobin S

    Hemoglobin S Does this test have other names? Hgb S test, sickle cell test, Sickledex What is this test? This test looks for an abnormal type of hemoglobin called hemoglobin S in your blood. Hemoglob...

  • Hepatitis A Antibody

    Hepatitis A Antibody Does this test have other names? IgM, IgM anti-HAV What is this test? This test looks for antibodies in your blood called IgM. The test can find out whether you are infected with...

  • Hepatitis B Core Antibody

    Hepatitis B Core Antibody Does this test have other names? IgM anti-HBc, HBcAb What is this test? This test looks for antibodies called IgM in your blood. The test is used to find out whether you are...

  • Hepatitis B Surface Antigen

    Hepatitis B Surface Antigen Does this test have other names? HBsAg What is this test? This test looks for hepatitis B surface antigens in your blood. The test is used to find out whether you have a r...

  • Hepatitis C Antibody

    Hepatitis C Antibody Does this test have other names? Antibody to HCV, anti-HCV What is this test? A hepatitis C antibody test is used to find out if you are infected with the hepatitis C virus (HCV)...

  • Hepatitis Panel

    Hepatitis Panel Does this test have other names? HbsAg, HbcAB IgM, HA AB IgM, Hep C AB; hepatitis B surface antigen; hepatitis B core antibody IgM; hepatitis A antibody IgM; hepatitis C antibodies Wh...

  • Herpes Simplex Virus Antibody

    Herpes Simplex Virus Antibody Does this test have other names? HSV-1 antibodies, HSV-2 antibodies What is this test? The herpes simplex virus antibodies test is a blood test that screens for the herp...

  • Herpes Simplex Virus Culture and Typing

    Herpes Simplex Virus Culture and Typing Does this test have other names? Viral isolation What is this test? This test looks for which type of herpes simplex virus (HSV) is causing your infection. HSV...

  • HIV Genotypic Resistance

    HIV Genotypic Resistance Does this test have other names? Genotypic resistance assay What is this test? This blood test looks at the genetic makeup of a strain of HIV, the virus that causes AIDS. If ...

  • HIV Viral Load

    HIV Viral Load Does this test have other names? Viral load test, RNA tests What is this test? This is a blood test to measure the amount of HIV in your blood. HIV causes AIDS. This test should be don...

  • HIV-1 Antibody

    HIV-1 Antibody Does this test have other names? HIV test; human immunodeficiency virus antibody test, type 1 What is this test? The test looks for HIV-1 antibodies in your blood. Your body makes thes...

  • HIV-1/HIV-2 Rapid Screen

    HIV-1/HIV-2 Rapid Screen Does this test have other names? Rapid HIV antibody test What is this test? This test looks for HIV infection in your blood or saliva. HIV is the virus that causes AIDS. Abou...

  • HLA Antibody

    HLA Antibody Does this test have other names? HLA antibody screening, HLA screening assay What is this test? This test looks for antibodies against a certain cell marker called a human leukocyte anti...

  • HLA Antigen

    HLA Antigen Does this test have other names? Human leukocyte antigen (HLA) typing What is this test? This test looks at the human leukocyte antigens (HLA) in your blood. HLAs are proteins found on th...

  • HLA-B27 Antigen

    HLA-B27 Antigen Does this test have other names? Human lymphocyte antigen B27, human leukocyte A antigen, white blood cell antigens, histocompatibility leukocyte A antigen What is this test? This tes...

  • Homocysteine

    Homocysteine Does this test have other names? Total homocysteine (hoe-moe-SIST-een) What is this test? This test measures levels of homocysteine in your blood. Homocysteine is a type of amino acid yo...

  • HSV DNA (CSF)

    HSV DNA (CSF) Does this test have other names? Herpes simplex 1 infection, herpes simplex 2 infection What is this test? This test looks for the herpes simplex virus (HSV) DNA in your cerebrospinal f...

  • Human Papillomavirus (HPV)

    Human Papillomavirus (HPV) Does this test have other names? HPV DNA test, DNA Pap, HPV co-test What is this test? This test checks for the human papillomavirus (HPV) around the cervix. HPVs can cause...

  • Immunofixation (Blood)

    Immunofixation (Blood) Does this test have other names? IFE, immunofixation electrophoresis What is this test? This blood test finds out if you are abnormally making or losing protein or whether you ...

  • Immunofixation and Protein Electrophoresis (CSF)

    Immunofixation and Protein Electrophoresis (CSF) Does this test have other names? IPE CSF, CSF protein electrophoresis, immunofixation electrophoresis What is this test? This test looks for certain p...

  • Immunofixation by Electrophoresis (Urine)

    Immunofixation by Electrophoresis (Urine) Does this test have other names? Immunofixation electrophoresis, IFE What is this test? This test separates and measures proteins in your urine. It looks for...

  • Insulin-Like Growth Factor

    Insulin-Like Growth Factor Does this test have other names? IGF What is this test? This test measures the amount of insulin-like growth factor-1 (IGF-1) in your blood. IGF-1 is a hormone found natura...

  • International Normalized Ratio

    International Normalized Ratio Does this test have other names? INR, standardized prothrombin time What is this test? This blood test looks to see how well your blood clots. The international normali...

  • Intrinsic Factor Antibody

    Intrinsic Factor Antibody Does this test have other names? IF antibody; intrinsic factor antibody level; intrinsic factor blocking antibody measurement; antibody level, intrinsic factor What is this ...

  • Iron (Blood)

    Iron (Blood) Does this test have other names? Serum Fe What is this test? This test measures the level of iron in your blood. Iron is an essential trace element in your blood. It helps your body make...

  • Iron and Total Iron-Binding Capacity

    Iron and Total Iron-Binding Capacity Do these tests have other names? Iron (Fe), serum iron, TIBC What are these tests? The serum iron test measure the amount of iron in your blood. The total iron-bi...

  • Ketone Bodies (Blood)

    Ketone Bodies (Blood) Does this test have other names? Ketones, serum; ketones, blood What is this test? This blood test measures ketones, a byproduct of digestion, in your blood. When you have a hig...

  • Ketone Bodies (Urine)

    Ketone Bodies (Urine) Does this test have other names? Ketone test, urine ketones What is this test? This test is used to check the level of ketones in your urine. Normally, your body burns sugar for...

  • Kidney Stone (Urine)

    Kidney Stone (Urine) Does this test have other names? Urine stone risk profile, 24-hour collection What is this test? This test checks your urine for chemicals that might cause your body to form kidn...

  • Lactate Dehydrogenase (CSF)

    Lactate Dehydrogenase (CSF) Does this test have other names? Lactic acid dehydrogenase (CSF), LDH CSF What is this test? This test measures the amount of the enzyme lactate dehydrogenase (LDH) in you...

  • Lactate Dehydrogenase Isoenzymes

    Lactate Dehydrogenase Isoenzymes Does this test have other names? LDH, lactic dehydrogenase What is this test? This is a blood test to measure the different LDH isoenzymes that may be in your blood. ...

  • Lactic Acid Dehydrogenase (Blood)

    Lactic Acid Dehydrogenase (Blood) Does this test have other names? Lactic dehydrogenase, LDH, lactate dehydrogenase What is this test? This is a blood test that measures the level of lactic dehydroge...

  • Lactose Tolerance (Blood)

    Lactose Tolerance (Blood) Does this test have any other names? Lactose tolerance serum test What is this test? This is a test to see whether your body is able to break down lactose, a type of sugar f...

  • Lactose Tolerance Hydrogen (Breath)

    Lactose Tolerance Hydrogen (Breath) Does this test have other names? Hydrogen breath test, HBT, lactose breath test What is this test? This test measures the amount of hydrogen gas in your breath at ...

  • LDL Cholesterol

    LDL Cholesterol Does this test have other names? Low-density lipoprotein-cholesterol, LDL-C What is this test? This test measures the amount of low-density lipoprotein-cholesterol (LDL-C) in your blo...

  • Lead (Blood)

    Lead (Blood) Does this test have other names? Serum lead level, BLL What is this test? This test measures the amount of lead in your child's blood. It can find out whether your child has been exposed...

  • Lecithin-Sphingomyelin Ratio (Amniotic Fluid)

    Lecithin-Sphingomyelin Ratio (Amniotic Fluid) Does this test have other names? L/S ratio What is this test? This test measures the amount of two substances, lecithin and sphingomyelin, that are found...

  • Legionella Antibody

    Legionella Antibody Does this test have other names? Legionnaires' disease antibody test, Legionella antibody assay What is this test? This test looks for an antibody that may be in your blood if you...

  • Leptin (Blood)

    Leptin (Blood) Does this test have other names? Leptin serum test What is this test? This test measures the amount of leptin in your blood. Leptin is a hormone that helps regulate your body weight by...

  • Lipase

    Lipase Does this test have other names? Serum lipase What is this test? This test measures the amount of lipase in your blood. Lipase is an enzyme that is made by your pancreas. It helps your body di...

  • Lipid Panel

    Lipid Panel Does this test have other names? Lipid profile, lipoprotein profile What is this test? This group of tests measures the amount of cholesterol and other fats in your blood. Cholesterol and...

  • Lipid Panel with Non-HDL Cholesterol

    Lipid Panel with Non-HDL Cholesterol Does this test have other names? Non-HDL-C What is this test? This blood test checks the levels of cholesterol in your body. A lipid panel will show the levels of...

  • Lipid Panel with Total Cholesterol: HDL Ratio

    Lipid Panel with Total Cholesterol: HDL Ratio Does this test have other names? Total cholesterol, HDL cholesterol, cholesterol HDL ratio, cholesterol panel What is this test? This group of tests meas...

  • Lipoprotein(a) Cholesterol

    Lipoprotein(a) Cholesterol Does this test have other names? Cholesterol Lp(a), Lp(a) What is this test? This test measures the level of lipoprotein (a), or Lp(a), in your blood. Lipoproteins are made...

  • Lipoprotein-Associated Phospholipase A2

    Lipoprotein-Associated Phospholipase A2 Does this test have other names? Lp-PLA2 What is this test? This test looks for a specific lipoprotein, Lp-PLA2, in your blood. The test is used to help predic...

  • Lithium

    Lithium Does this test have other names? Lithium levels, serum lithium levels, lithium blood test What is this test? This test measures and monitors the amount of lithium in your blood. Lithium is a ...

  • Liver Kidney Microsomal Antibody

    Liver Kidney Microsomal Antibody Does this test have other names? Antibodies to liver and kidney microsomes, anti-LKM What is this test? This test looks for a certain type of antibody in your child's...

  • Liver Panel

    Liver Panel Does this test have other names? Liver function test (LFT); hepatic function test; liver function panel (LFP); Alb, Tbil, Dbil, Alk Phos, ALT, Tot Protein What is this test? This group of...

  • Lupus Anticoagulant

    Lupus Anticoagulant Does this test have other names? LA, Lupus Anticoagulant Panel, Lupus Inhibitor, LA Sensitive PTT, PTT-LA, Dilute Russell Viper Venom Test, DRVVT, Modified Russell Viper Venom Tes...

  • Luteinizing Hormone (Blood)

    Luteinizing Hormone (Blood) Does this test have other names? LH What is this test? This test measures the level of luteinizing hormone (LH) in your blood. LH is made by your pituitary gland. In women...

  • Magnesium (Blood)

    Magnesium (Blood) Does this test have other names? Mg What is this test? This test measures the amount of the mineral magnesium in your blood. Magnesium is found in your cells and bones. It's necessa...

  • MDMA Drug Screen (Urine)

    MDMA Drug Screen (Urine) Does this test have other names? MDMA urine screening test What is this test? This is a urine test to screen for MDMA, the abbreviation for methylenedioxymethamphetamine (MET...

  • Measles, Mumps, Rubella Antibody

    Measles, Mumps, Rubella Antibody Does this test have other names? Rubella antibody, German measles antibody, hemagglutination inhibition (HAI), rubeola antibody, antibody titer What is this test? Thi...

  • Mercury (Blood)

    Mercury (Blood) Does this test have other names? Hg level What is this test? This test measures the amount of mercury in your blood. Mercury is a heavy metal that can be toxic. It occurs naturally as...

  • Mercury (Urine)

    Mercury (Urine) Does this test have other names? Hg urine What is this test? This test measures the amount of mercury in your urine. Mercury is a heavy metal that can be toxic. It occurs naturally as...

  • Metanephrines (Blood)

    Metanephrines (Blood) Does this test have other names? Metanephrine, plasma free What is this test? This test measures the substances metanephrine and normetanephrine in your blood. It helps find out...

  • Methylmalonic Acid (Blood)

    Methylmalonic Acid (Blood) Does this test have other names? MMA What is this test? This test measures the amount of a substance called methylmalonic acid (MMA) in your blood. MMA is typically made in...

  • Methylmalonic Acid (Urine)

    Methylmalonic Acid (Urine) Does this test have other names? Urinary methylmalonic acid (MMA), urinary MMA What is this test? This test measures the amount of a substance called methylmalonic acid (MM...

  • Microalbumin (Urine)

    Microalbumin (Urine) Does this test have other names? Urine microalbumin What is this test? This test looks for minuscule amounts of albumin in your urine. The test can find out whether diabetes has ...

  • Microscopic Urinalysis

    Microscopic Urinalysis Does this test have other names? Microscopic urine analysis, microscopic examination of urine What is this test? This test looks at a sample of your urine under a microscope. I...

  • Mononucleosis (Blood)

    Mononucleosis (Blood) Does this test have other names? Mono test, monospot test, Epstein-Barr test What is this test? This test looks for signs in your blood that you have the Epstein-Barr virus. The...

  • MRSA Culture

    MRSA Culture Does this test have other names? Methicillin-resistant Staphylococcus aureus culture What is this test? This test looks for bacteria called methicillin-resistant Staphylococcus aureus (M...

  • Mumps Antibody

    Mumps Antibody Does this test have other names? Mumps IgM and IgG antibodies, mumps viral culture What is this test? This test looks for antibodies to the mumps virus in your blood. Mumps is a contag...

  • Mycoplasma (Genital)

    Mycoplasma (Genital) Does this test have other names? Mycoplasma culture What is this test? This test looks for microorganisms in a sample of secretions from your genital area. Mycoplasma are the sma...

  • Mycoplasma (Sputum)

    Mycoplasma (Sputum) Does this test have other names? Mycoplasma culture, antigen capture-enzyme immunoassay, Ag-EIA What is this test? This test looks at sputum, or the mucus from your lower airways....

  • Myoglobin (Blood)

    Myoglobin (Blood) Does this test have other names? Serum myoglobins, myoglobin-serum What is this test? This test measures the amount of a protein called myoglobin in your blood. It's done to help di...

  • Myoglobin (Urine)

    Myoglobin (Urine) Does this test have other names? Urine myoglobin What is this test? This test measures a protein called myoglobin in your urine. The test can help find out whether your muscle tissu...

  • Osmolality (Blood)

    Osmolality (Blood) Does this test have other names? Serum osmolality, osmolality serum What is this test? This test measures the concentration of dissolved particles, or osmolality, in your blood. Th...

  • Osmolality (Stool)

    Osmolality (Stool) Does this test have other names? Stool osmolality What is this test? This test measures the concentration, or osmolality, of certain particles in a sample of your watery stool. The...

  • Osmolality (Urine)

    Osmolality (Urine) Does this test have other names? Osmotic gap, osmolal gap test What is this test? This test measures the concentration, or osmolality, of particles in your urine. It finds out whet...

  • Ova and Parasites (Stool)

    Ova and Parasites (Stool) Does this test have other names? Stool sample examination, stool O&P, fecal smear What is this test? This test looks for parasites and their larvae or eggs in a sample o...

  • Oxalate (Urine)

    Oxalate (Urine) Does this test have other names? No. What is this test? This is a urine test to see whether you have a high level of the chemical oxalate in your urine. Oxalate is a natural end produ...

  • Pancreatic Polypeptide

    Pancreatic Polypeptide Does this test have other names? Plasma pancreatic polypeptide, PP, human pancreatic polypeptide What is this test? This test measures a substance in your blood called pancreat...

  • Pap

    Pap Does this test have other names? Pap smear, cervical cytology, Papanicolaou test, Pap smear test, vaginal smear technique What is this test? This test check the cells from inside the cervix for a...

  • Parathyroid Hormone

    Parathyroid Hormone Does this test have other names? Parathyroid hormone assay, parathyrin, parathormone, PTH-C-Terminal What is this test? This test measures a substance called parathyroid hormone (...

  • Partial Thromboplastin Time

    Partial Thromboplastin Time Does this test have other names? PTT, activated partial thromboplastin time, aPTT, APTT What is this test? This test measures how well your body clots blood. Partial throm...

  • Parvovirus

    Parvovirus Does this test have other names? Parvovirus B19-specific IgG antibody, parvovirus B19 IgM, parvovirus B19 antibody What is this test? This is a blood test to check for current or past infe...

  • Phenobarbital

    Phenobarbital Does this test have other names? Phenobarbital drug monitoring, phenobarbital drug level What is this test? This test measures the amount of the drug phenobarbital in your blood. Phenob...

  • Phenylketonuria (PKU)

    Phenylketonuria (PKU) Does this test have other names? PKU screening, Guthrie assay, PKU test What is this test? This is a blood test to screen newborns for phenylketonuria (PKU), a condition that ca...

  • Plasmodium (Blood)

    Plasmodium (Blood) Does this test have other names? Malaria antibody detection What is this test? This test looks for Plasmodium parasites in your blood. The parasites cause malaria, a serious diseas...

  • Platelet Antibody

    Platelet Antibody Does this test have other names? Antiplatelet antibody test What is this test? This test looks for platelet antibodies in your blood in order to find out the cause of a low platelet...

  • Platelets

    Platelets Does this test have other names? Platelet count, thrombocyte count What is this test? This test measures the number of platelet cells in your blood. Platelets are disk-shaped cells that hel...

  • Pneumocystis Jirovecii (Tissue, Fluid)

    Pneumocystis Jirovecii (Tissue, Fluid) Does this test have other names? P. jirovecii , PCP, pneumocystis pneumonia What is this test? This test looks for P. jirovecii fungus in your lung tissue or in...

  • Porphyrins (Urine)

    Porphyrins (Urine) Does this test have other names? Mauzerall-Granick test What is this test? This test looks for chemicals called porphyrins in your urine. If you have high levels of these chemicals...

  • Potassium

    Potassium Does this test have other names? Serum potassium, serum electrolytes, K What is this test? This is a blood test to measure the amount of potassium is in your blood. Potassium is one of seve...

  • Prealbumin (Blood)

    Prealbumin (Blood) Does this test have other names? PA, transthyretin test What is this test? The prealbumin screen is a blood test to see whether you are getting proper nourishment from your diet. S...

  • Progesterone

    Progesterone Does this test have other names? Progesterone blood test, serum progesterone What is this test? This test measures the level of a hormone called progesterone in your blood. Your ovaries ...

  • Proinsulin (Blood)

    Proinsulin (Blood) Does this test have other names? No. What is this test? This blood test measures proinsulin, a building block for insulin. To turn food into energy, your pancreas makes proinsulin....

  • Prolactin (Blood)

    Prolactin (Blood) Does this test have other names? PRL test What is this test? This test measures the level of prolactin in your blood. Prolactin is a hormone made by the pituitary gland, which is in...

  • Prostate-Specific Antigen

    Prostate-Specific Antigen Does this test have other names? PSA What is this test? This test measures the level of prostate-specific antigen (PSA) in your blood. The cells of the prostate gland make t...

  • Protein C (Blood)

    Protein C (Blood) Does this test have other names? No. What is this test? This test measures the level of protein C in your blood. Protein C helps your blood clot normally. If you have too little pro...

  • Protein Electrophoresis (Blood)

    Protein Electrophoresis (Blood) Does this test have other names? Serum protein electrophoresis, SPE What is this test? Protein electrophoresis is a test that measures specific proteins in the blood. ...

  • Protein S (Blood)

    Protein S (Blood) Does this test have other names? No. What is this test? This test measures levels of protein S, a protein in the blood that helps it to clot. Protein S works along with another prot...

  • Prothrombin Time

    Prothrombin Time Does this test have other names? Prothrombin time/PT, Pro time, Prothrombin time/International normalized ratio, PT/INR What is this test? The prothrombin time is one of several test...

  • Protoporphyrin (Blood)

    Protoporphyrin (Blood) Does this test have other names? Protoporphyrin, ZPP, zinc protoporphyrin test, erythrocyte protoporphyrin test What is this test? The protoporphyrin test is used to diagnose b...

  • Quantitative Immunoglobulins

    Quantitative Immunoglobulins Does this test have other names? IgA, IgE, IgG, IgM; immunology testing What is this test? This test measures the amount of antibodies called immunoglobulins in your bloo...

  • Rapid Detection of Respiratory Syncytial Virus

    Rapid Detection of Respiratory Syncytial Virus Does this test have other names? RSV rapid detection, RSV indirect immunofluorescence assay, IFA What is this test? This test looks at cells taken from ...

  • Rapid Influenza Antigen (Nasal or Throat Swab)

    Rapid Influenza Antigen (Nasal or Throat Swab) Does this test have other names? Rapid influenza diagnostic test What is this test? This test quickly checks for signs of the influenza virus in a sampl...

  • Rapid Plasma Reagin

    Rapid Plasma Reagin Does this test have other names? RPR test, syphilis test What is this test? The rapid plasma reagin (RPR) test is a blood test that looks for signs of syphilis. Syphilis is a sexu...

  • Red Blood Cell Antibody

    Red Blood Cell Antibody Does this test have other names? Erythrocyte Ab, RBC antibody identification What is this test? This test looks for antibodies to red blood cells (RBCs) in your blood. These a...

  • Retic Count

    Retic Count Does this test have other names? Reticulocyte (reh-TICK-you-loh-SITE) count, retic What is this test? This test measures the number of reticulocytes in your blood. Reticulocytes are immat...

  • Rh Typing

    Rh Typing Does this test have other names? Rh incompatibility, Rh factor What is this test? Rhesus (Rh) typing is used to determine whether you have a specific protein called Rh factor on the outer l...

  • Rheumatoid Factor (Blood)

    Rheumatoid Factor (Blood) Does this test have other names? RF blood test What is this test? This test measures the level of a substance called rheumatoid factor (RF) in your blood. It helps your doct...

  • Rocky Mountain Spotted Fever (Blood)

    Rocky Mountain Spotted Fever (Blood) Does this test have other names? RMSF, Rocky Mountain spotted fever antibodies What is this test? Rocky Mountain spotted fever serum is a blood test used to look ...

  • Rotavirus (Stool)

    Rotavirus (Stool) Does this test have other names? Rotavirus test, Nucleic acid detection test, Isolation in cell culture What is this test? The rotavirus test is a stool test used to diagnose a rota...

  • Rubella

    Rubella Does this test have other names? German measles, rubella antibody test, three-day measles What is this test? This test measures the amount of rubella antibodies in your blood to see if you ha...

  • Rubeola Antibody (Blood)

    Rubeola Antibody (Blood) Does this test have other names? Test for measles-specific IgM antibody What is this test? This test looks for an antibody called measles-specific IgM in your blood. If you h...

  • Salicylate (Blood)

    Salicylate (Blood) Does this test have other names? Salicylate serum test, serum salicylate level test, serum salicylate concentration test What is this test? This is a blood test to check for salicy...

  • Salmonella Culture (Stool)

    Salmonella Culture (Stool) Does this test have other names? Stool culture What is this test? This test looks for salmonella bacteria in your stool. Having these bacteria in your stool means you have ...

  • Semen Analysis

    Semen Analysis Does this test have other names? Semen testing What is this test? This is a series of tests that looks at how healthy your semen and sperm are. Male infertility is often caused by low ...

  • Serotonin

    Serotonin Does this test have other names? 5-HT test What is this test? This test is sometimes used to help to diagnose carcinoid syndrome. This problem can occur in people with carcinoid tumors. The...

  • Sex Hormone Binding Globulin (Blood)

    Sex Hormone Binding Globulin (Blood) Does this test have other names? SHBG blood test What is this test? This test measures the level of sex hormone binding globulin (SHBG) in your blood. SHBG is a p...

  • Sjogren's Antibody (Blood)

    Sjögren's Antibody (Blood) Does this test have other names? SS-A (or Ro), SS-B (or La) What is this test? This is a blood test for Sjögren's syndrome, an autoimmune disease that makes it hard for you...

  • Sodium (Blood)

    Sodium (Blood) Does this test have other names? Na test What is this test? This test measures the levels of sodium in your blood. Sodium is an element necessary for your body's cells to work correctl...

  • Sodium (Urine)

    Sodium (Urine) Does this test have other names? Urine sodium test, Na test What is this test? This test measures the amount of sodium, or salt, in your urine. Sodium is in almost everything you eat. ...

  • Sputum Culture

    Sputum Culture Does this test have other names? No. What is this test? This test finds out what's causing your lung infection. Sputum, or phlegm, is the mucus that settles in the lower airways of you...

  • Stool Culture

    Stool Culture Does this test have other names? Stool test, stool sample What is this test? This test looks for bacteria, viruses, and other organisms in your stool. This test can help find out what's...

  • Strep Antistreptolysin O Titer (Blood)

    Strep Antistreptolysin O Titer (Blood) Does this test have other names? ASO titer What is this test? This test looks for antibodies that your body made when in fighting off group A Streptococcus bact...

  • Strep Screen (Rapid)

    Strep Screen (Rapid) Does this test have other names? Throat swab, rapid strep test, rapid antigen test What is this test? The rapid strep screen is used to test for bacteria called group A streptoco...

  • Tartrate-Resistant Acid Phosphatase

    Tartrate-Resistant Acid Phosphatase Does this test have other names? Bone turnover marker, tartrate-resistant acid phosphatase 5b, TRAP What is this test? This test looks for the chemical tartrate-re...

  • Tay-Sachs Disease

    Tay-Sachs Disease Does this test have other names? Tay-Sachs carrier screening, Tay-Sachs prenatal testing, Tay-Sachs disease DNA analysis What is this test? This test looks for specific genetic chan...

  • Tegretol (Blood)

    Tegretol (Blood) Does this test have other names? Carbamazepine level What is this test? This test measures the amount of the drug carbamazepine in your blood. Carbamazepine is the generic name of a ...

  • Tetanus Antibody

    Tetanus Antibody Does this test have other names? Vaccine responsiveness test What is this test? This test looks for tetanus antibody in your blood. Tetanus is a serious disease caused by the toxin f...

  • Theophylline

    Theophylline Does this test have other names? Serum theophylline concentrations, blood theophylline level What is this test? This test measures the level of theophylline in your blood. Theophylline i...

  • Thrombin Time

    Thrombin Time Does this test have other names? Thrombin clotting time What is this test? Blood clotting is an important step in healing from an injury, such as a cut. Forming a blood clot is a compli...

  • Thyroid Antibody

    Thyroid Antibody Does this test have other names? TPO Abs, Tg Abs, TSH-Rs Abs What is this test? This test measures the amount of thyroid antibodies in your blood. The test can help find out whether ...

  • Thyroid Antithyroglobulin Antibody

    Thyroid Antithyroglobulin Antibody Does this test have other names? Thyroid antibody test, thyroglobulin antibody test What is this test? This blood test looks for antibodies made by your body in res...

  • Thyroid Stimulating Hormone

    Thyroid Stimulating Hormone Does this test have other names? TSH, thyrotropin test What is this test? This is a blood test that measures your level of thyroid stimulating hormone (TSH). Health care p...

  • TORCH Panel

    TORCH Panel Does this test have other names? TORCH screen What is this test? The TORCH panel test is used to help diagnose infections that could harm the fetus during pregnancy. TORCH is an acronym o...

  • Total and Free Carnitine

    Total and Free Carnitine Does this test have other names? Quantitative plasma carnitine, plasma carnitine, plasma acylcarnitine analysis What is this test? This test measures the amount of a substanc...

  • Total and Free Insulin (Blood)

    Total and Free Insulin (Blood) Does this test have other names? Serum insulin level What is this test? This blood test measures two types of insulin in your body: total and free. Insulin is found in ...

  • Total Bilirubin (Blood)

    Total Bilirubin (Blood) Does this test have other names? Total serum bilirubin, TSB What is this test? This is a blood test that measures the amount of a substance called bilirubin. This test is used...

  • Total Copper (Blood)

    Total Copper (Blood) Does this test have other names? Total copper serum test What is this test? This test measures the total amount of copper in your blood. Normally, most of the copper in your bloo...

  • Total Protein and A/G Ratio

    Total Protein and A/G Ratio Does this test have other names? Albumin/globulin ratio What is this test? This is a blood test to measure the levels of protein in your body. Your liver makes most of the...

  • Total Testosterone

    Total Testosterone Does this test have other names? Testosterone (total) What is this test? This test measures the level of the hormone testosterone in your blood. Testosterone is a male sex hormone ...

  • Toxoplasma Gondii (Amniotic Fluid)

    Toxoplasma Gondii (Amniotic Fluid) Does this test have other names? Polymerase chain reaction (PCR) for Toxoplasma gondii DNA What is this test? This test is used to diagnose Toxoplasma gondii infect...

  • Toxoplasma Gondii Antibody

    Toxoplasma Gondii Antibody Does this test have other names? Immunoglobulin G antibodies, immunoglobulin M antibodies, Sabin-Feldman dye test, ELISA, IFA test, agglutination test What is this test? Th...

  • Transferrin

    Transferrin Does this test have other names? Total iron-binding capacity, TIBC, transferrin saturation What is this test? This test measures the amount of the protein transferrin in your blood. Your ...

  • Trichomonas Vaginalis (Discharge)

    Trichomonas Vaginalis (Discharge) Does this test have other names? Trichomonas culture, testing for "trich" (pronounced "trick"), trichomoniasis, TV What is this test? This test looks for the Trichom...

  • Tricyclic Antidepressant Screen

    Tricyclic Antidepressant Screen Does this test have other names? Tricyclic antidepressant (TCA) testing What is this test? This test is used to check a sample of blood or urine for tricyclic antidepr...

  • Triglycerides

    Triglycerides Does this test have other names? Lipid panel, fasting lipoprotein panel What is this test? This test measures the amount of triglycerides in your blood. Triglycerides are one of several...

  • Troponin

    Troponin Does this test have other names? Cardiac troponin (cTn), cardiac troponin I (cTnI), cardiac troponin T (cTnT) What is this test? This test measures the amount of the protein troponin in your...

  • Trypsin (Blood)

    Trypsin (Blood) Does this test have other names? Trypsinogen What is this test? This test measures levels of trypsin in your blood to see if you have pancreatitis. Your pancreas is an organ in your a...

  • Trypsin/Chymotrypsin (Stool)

    Trypsin/Chymotrypsin (Stool) Does this test have other names? Test for concentration of pancreatic enzymes, direct pancreatic enzyme measurement What is this test? This test checks your stool sample ...

  • Two-Hour Postprandial Glucose

    Two-Hour Postprandial Glucose Does this test have other names? Glucose, postprandial; glucose, two-hour postprandial; two-hour PPG; two-hour postprandial blood sugar; O'Sullivan test What is this tes...

  • Uniparental Disomy

    Uniparental Disomy Does this test have other names? Genetic testing for Angelman syndrome, genetic testing for Prader-Willi syndrome What is this test? This is a blood test used to see if your child ...

  • Urea Nitrogen Clearance (Urine)

    Urea Nitrogen Clearance (Urine) Does this test have other names? Urine urea nitrogen, 24-hour urine test What is this test? This test measures the amount of urea nitrogen in your urine. Urea nitrogen...

  • Uric Acid (Blood)

    Uric Acid (Blood) Does this test have other names? Serum uric acid What is this test? This test measures the amount of uric acid in your blood. Uric acid can build up in your blood if your body makes...

  • Uric Acid (Synovial Fluid)

    Uric Acid (Synovial Fluid) Does this test have other names? Synovial fluid analysis What is this test? The uric acid test measures levels of uric acid that can collect in joint fluid. Uric acid is a ...

  • Uric Acid (Urine)

    Uric Acid (Urine) Does this test have other names? Urinalysis, 24-hour urinalysis What is this test? This test looks for uric acid in your urine. Your liver creates uric acid when it breaks down subs...

  • Urine Cytology

    Urine Cytology Does this test have other names? Urine examination with microscope What is this test? This test looks at a sample of your urine to see if it contains abnormal cells. The test is used t...

  • Urine Protein (Dipstick)

    Urine Protein (Dipstick) Does this test have other names? Reagent strip urinalysis, urine albumin What is this test? This test checks the amount of protein in your urine. Your urine normally contains...

  • Varicella-Zoster Virus Antibody

    Varicella-Zoster Virus Antibody Does this test have other names? Serum varicella immunoglobulin G antibody level What is this test? This test looks for antibodies in your blood that your body makes a...

  • Vascular Endothelial Growth Factor

    Vascular Endothelial Growth Factor Does this test have other names? VEGF, vascular permeability factor, VPF What is this test? This test measures the amount of vascular endothelial growth factor (VEG...

  • VDRL (CSF)

    VDRL (CSF) Does this test have other names? CSF VDRL, neurosyphilis test, neurosyphilis detection test What is this test? This test looks for signs of neurosyphilis in your cerebrospinal fluid (CSF)....

  • Viral Culture

    Viral Culture Does this test have other names? No. What is this test? This test checks to see whether an infection is caused by a bacterium or a virus. It can also tell which specific virus is causin...

  • Vitamin B12 and Folate

    Vitamin B12 and Folate Does this test have other names? Cobalamin, Cbl, folic acid, FA What is this test? This test measures the levels of vitamin B12 and folate in your blood. Your body needs vitami...

  • Vitamin D

    Vitamin D Does this test have other names? 25-hydroxyvitamin D (25-high-DROX-ee-VIE-tuh-min D), 25(OH)D What is this test? Vitamin D is mainly found in fortified dairy foods, juice, breakfast cereal,...

  • VLDL Cholesterol

    VLDL Cholesterol Does this test have other names? Very low-density lipoprotein cholesterol test What is this test? This test measures the amount of very low-density lipoprotein (VLDL) in your blood. ...

  • Von Willebrand Panel

    Von Willebrand Panel Does this test have other names? von Willebrand factor antigen test, von Willebrand factor activity test, ristocetin cofactor activity test, factor VIII coagulant activity test W...

  • West Nile Virus Antibody (Blood)

    West Nile Virus Antibody (Blood) Does this test have other names? No. What is this test? This is a blood test that checks for West Nile virus (WNV). This is a viral infection that usually affects bir...

  • Western Equine Encephalitis

    Western Equine Encephalitis (CSF) Does this test have other names? Lumbar puncture What is this test? This test looks for the virus that causes Western equine encephalitis, a disease that's spread th...

  • White Blood Cell (Stool)

    White Blood Cell (Stool) Does this test have other names? Stool white blood cell test, fecal leukocyte (LOO-koh-site) test What is this test? This test looks for white blood cells in your stool, whic...

  • White Cell Count

    White Cell Count Does this test have other names? WBC count What is this test? This test measures the number of white blood cells, or WBCs, in your blood. Cells in your bone marrow produce white bloo...

  • Wound Culture

    Wound Culture Does this test have other names? No. What is this test? This test looks for bacteria or other organisms in a wound. The test is used to find out if a wound is infected. It can also iden...

  • Yersinia (Stool)

    Yersinia (Stool) Does this test have other names? Yersiniosis test, Yersinia stool culture What is this test? This test checks for an infection from the Yersinia bacteria. This infection is also call...