CORTU - Overview: Cortisol, Free, 24 Hour, Urine
Preferred screening test for Cushing syndrome Diagnosis of pseudo-hyperaldosteronism due to excessive licorice consumption Test may not be useful in the evaluation of adrenal insufficiency.
CTXP - Overview: Cerebrotendinous Xanthomatosis, Plasma
Evaluating patients with a clinical suspicion of cerebrotendinous xanthomatosis (CTX) using plasma specimens Monitoring of individuals with CTX on chenodeoxycholic acid (CDCA) therapy This test is not useful for the identification of...
E157C - Overview: Escherichia coli O157:H7 Culture, Feces
Determining whether Escherichia coli O157:H7 may be the cause of diarrhea Reflexive testing for Shiga toxin and/or E coli O157:H7 nucleic acid amplification test-positive feces This test is generally not useful for patients hospitalized...
PBGDW - Overview: Porphobilinogen Deaminase, Washed Erythrocytes
Confirmation of a diagnosis of acute intermittent porphyria using washed erythrocyte specimens
VWAG - Overview: von Willebrand Factor Antigen, Plasma
Diagnosis of von Willebrand disease (VWD) and differentiation of VWD subtype (in conjunction with von Willebrand factor ristocetin cofactor activity and factor VIII coagulant activity) Differentiation of VWD from hemophilia A (in...
JAKXB - Overview: JAK2 Exon 12 and Other Non-V617F Mutation Detection, Blood
Second-order testing to aid in the distinction between a reactive cytosis and a myeloproliferative neoplasm, particularly when a diagnosis of polycythemia is being considered, using blood specimens
PEAR - Overview: Pear, IgE, Serum
Establishing a diagnosis of an allergy to pear Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm sensitization prior to...
PTU - Overview: Protein, Total, 24 Hour, Urine
Evaluation of kidney disease using a 24-hour urine collection Screening for monoclonal gammopathy
TLU - Overview: Thallium, 24 Hour, Urine
Detecting toxic thallium exposure in 24-hour urine collections
VLTB - Overview: Volatile Screen, Blood
Detection and quantitation of acetone, methanol, isopropanol, and ethanol in whole blood Quantification of the concentration of ethanol in blood that correlates with the degree of intoxication Evaluation of toxicity to the measured...
CPAPD - Overview: Conventional Smear-Diagnostic, Varies
Screening for cervical carcinoma and a number of infections of the female genital tract including human papillomavirus, herpes, Candida, and Trichomonas
HGUOE - Overview: Mercury Occupational Exposure, Random, Urine
Detecting mercury toxicity due to occupational exposure
PTSC - Overview: Prothrombin Time (PT), Plasma
Screening to identify a deficiency of one or more of the clotting factors of the extrinsic coagulation system (I, II, V, VII, X) due to hereditary deficiency or acquired conditions such as liver disease, vitamin K deficiency, or a specific...
POPSD - Overview: Poppy Seed, IgE, Serum
Establishing the diagnosis of an allergy to poppy seed Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm sensitization...
KUR - Overview: Potassium, 24 Hour, Urine
Determining the cause for hyper- or hypokalemia
DF - Overview: House Dust Mites/Dermatophagoides farinae, IgE, Serum
Establishing a diagnosis of an allergy to house dust mites/Dermatophagoides farinae Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic...
HISER - Overview: Histoplasma Antibody Complement Fixation and Immunodiffusion, Serum
Aiding in the diagnosis of active histoplasmosis
HICSF - Overview: Histoplasma Antibody Complement Fixation and Immunodiffusion, Spinal Fluid
Aiding in the diagnosis of Histoplasma meningitis using spinal fluid specimens
GENTA - Overview: Gentamicin, Trough, Serum
Monitoring adequacy of drug clearance during gentamicin therapy
GGT - Overview: Gamma-Glutamyltransferase (GGT), Serum
Diagnosing and monitoring hepatobiliary disease, it is currently the most sensitive enzymatic indicator of liver disease Ascertaining whether observed elevations of alkaline phosphatase are due to skeletal disease (normal...
EHRC - Overview: Ehrlichia chaffeensis (HME) Antibody, IgG, Serum
An adjunct in the diagnosis of ehrlichiosis Seroepidemiological surveys of the prevalence of the infection in certain populations
GENPA - Overview: Gentamicin, Peak, Serum
Monitoring adequacy of drug clearance during gentamicin therapy
GENRA - Overview: Gentamicin, Random, Serum
Monitoring adequacy of serum concentration during gentamicin therapy in specimens for which no collection timing information is provided
PBCU - Overview: Lead/Creatinine Ratio, Urine
Detecting clinically significant lead exposure using random urine specimens This test is not a substitute for blood lead screening.
LIPA1 - Overview: Lipoprotein(a), Serum
Cardiovascular disease (CVD) risk refinement in patients with moderate or high risk based on conventional risk factors or patients with clinical suspicion of residual CV risk not identified by other lipid parameters
IRF8 - Overview: Interferon Regulatory Factor 8 (IRF8) Immunostain, Technical Component Only
Identification of monoblasts in acute monoblastic/monocytic leukemia and chronic myelomonocytic leukemia
AMLPC - Overview: Amylase, Pancreatic Cyst Fluid
Aiding in distinguishing between pseudocysts and other types of pancreatic cysts when used in conjunction with imaging studies, cytology, and other pancreatic cyst fluid tumor markers
AC1Q - Overview: Anti-C1q Antibodies, IgG, Serum
Evaluating patients with suspected anti-C1q vasculitis Predicting renal involvement in patients with systemic lupus erythematosus Detection of anti-C1q antibodies in serum
A2M - Overview: Alpha-2-Macroglobulin, Serum
Evaluating patients with nephrotic syndrome and pancreatitis
GAAWR - Overview: Acid Alpha-Glucosidase Reflex, Leukocytes
Diagnosis of Pompe disease as a confirmatory reflex of the 6-enzyme panel
ACE - Overview: Angiotensin Converting Enzyme, Serum
Evaluation of patients with suspected sarcoidosis
ASB - Overview: Arsenic, Blood
Detecting acute or very recent arsenic exposure Monitoring the effectiveness of therapy This test is not useful for evaluation of chronic arsenic exposure.
VITC - Overview: Ascorbic Acid (Vitamin C), Plasma
Identifying vitamin C deficiency
APTTP - Overview: Activated Partial Thromboplastin Time, Plasma
Monitoring heparin therapy (unfractionated heparin) Screening for certain coagulation factor deficiencies Detection of coagulation inhibitors such as lupus anticoagulant, specific factor inhibitors, and nonspecific inhibitors
ADNAS - Overview: Anti-DNase B Titer, Serum
Demonstration of acute or recent streptococcal infection using anti-DNase B titer
SASP - Overview: Aspergillus fumigatus, IgG Antibodies, Serum
Evaluation of patients suspected of having hypersensitivity pneumonitis (HP) induced by exposure to Aspergillus fumigatus Evaluation of patients suspected of having HP who have documented environmental exposures to high-humidity...
BIOTN - Overview: Biotin, Serum
Measurement of biotin in serum Assessment of biotin concentrations in individuals taking biotin supplements Investigation of unexpected results from immunoassays that utilize biotin-streptavidin detection methods This test is not useful...
CRTFR - Overview: Creatinine, Random, Urine
Normalizing urinary analytes to account for the variation in urinary concentrations between individuals when using random urine collections
CLU - Overview: Chloride, 24 Hour, Urine
Indication of fluid balance and acid-base homeostasis using a 24-hour urine collection
SFINC - Overview: Cerebrospinal Fluid (CSF) IgG Index, Spinal Fluid
Aiding in the diagnosis of multiple sclerosis and other central nervous system inflammatory conditions using cerebrospinal fluid specimens
NF4FS - Overview: Neurofascin-155 IgG4, Flow Cytometry, Serum
Evaluating patients with an underlying demyelinating neuropathy Diagnosis of a neurofascin-155 IgG4 mediated neuropathy
CARNP - Overview: Carbapenemase Detection-Carba NP Test, Varies
Confirming carbapenemase production from pure isolates of Enterobacterales or Pseudomonas aeruginosa
CUU - Overview: Copper, 24 Hour, Urine
Investigation of Wilson disease and obstructive liver disease using a 24-hour urine specimen
CDTA - Overview: Carbohydrate Deficient Transferrin, Adult, Serum
Indicating chronic alcohol abuse This test is not appropriate for screening patients for congenital disorders of glycosylation.
CURCU - Overview: Copper/Creatinine Ratio, Random, Urine
Investigation of Wilson disease and obstructive liver disease using a random urine specimen
CURC - Overview: Copper/Creatinine Ratio, Urine
Measurement of copper concentration of a part of the investigation of Wilson disease and obstructive liver disease using a random urine specimen
CRCRU - Overview: Chromium/Creatinine Ratio, Random, Urine
Detecting chromium exposure
CRT2F - Overview: Creatinine, 24 Hour, Urine
Normalizing urinary analytes to account for the variation in urinary concentration
CDOU - Overview: Cadmium Occupational Exposure, Random, Urine
Detecting occupational exposure to cadmium using random urine specimens
VDSFT - Overview: VDRL Titer, Spinal Fluid
Aid in the diagnosis of neuroinvasive syphilis as part of a profile
NELL-1 [Test in Focus] - Insights
D., discusses how Mayo Clinic Laboratories’ new immunohistochemistry test for the detection of NELL-1 antigen, a biomarker for membranous nephropathy found in 10% to 15% of patients, provides diagnostic...
Looking Back on Clinical Chemistry 1 - Insights
in the Mayo Clinic Medical Laboratory Science program, takes a look back on her Clinical Chemistry 1 course....
Mayo Clinic Ranked No. 1 Hospital Nationwide by U.S. News & World Report - Insights
Report’s 29th annual "Best Hospitals Honor Roll" published online on August 14. Mayo Clinic also ranked No. 1 in more specialties than any other hospital in the country....
Orexin-A/Hypocretin-1 for the Diagnosis of Type 1 Narcolepsy [Test in Focus] - Insights
test to perform as well as to interpret. The orexin-A/hypocretin-1 test is a sensitive and specific alternative to the MSLT to diagnose type 1 narcolepsy....
Week in Review: November 1 - Insights
Top highlights include: Facebook launches into the digital space of healthcare, medical breakthrough for Ebola, and how the brain makes memories.