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Test Catalog

TTGA - Overview: Tissue Transglutaminase Antibody, IgA, Serum

Assessment of tissue transglutaminase IgA antibodies for evaluating patients suspected of having celiac disease, including patients with compatible clinical symptoms, patients with atypical symptoms, and individuals at increased risk...

NAGS - Overview: Hexosaminidase A and Total Hexosaminidase, Serum

Carrier detection and diagnosis of Tay-Sachs disease and Sandhoff disease Ruling out I-cell disease This test is not useful for pregnant females or those treated with hormonal contraception.

FRDIG - Overview: Digoxin, Free, Serum

Evaluating recrudescent (breakthrough) digoxin toxicity in renal-failure patients Assessing the need for more antidigoxin Fab to be administered Deciding when to reintroduce digoxin therapy Monitoring patients with possible...

HAVTA - Overview: Hepatitis A Virus Total Antibodies, Serum

Detection of recent or previous exposure or immunity to hepatitis A. This test should not be used as a screening or confirmatory test for blood or solid or soft tissue donor specimens.

AH50 - Overview: Alternative Complement Pathway, Functional, Serum

Investigation of suspected alternative pathway complement deficiency, atypical hemolytic uremic syndrome, C3 glomerulonephritis, and dense-deposit disease

ALADW - Overview: Aminolevulinic Acid Dehydratase, Washed Erythrocytes

Confirmation of a diagnosis of aminolevulinic acid dehydratase deficiency porphyria using washed erythrocyte specimens This test is not useful for detecting lead intoxication.

Q10 - Overview: Coenzyme Q10, Reduced and Total, Plasma

Diagnosis of primary coenzyme Q10 (CoQ10) deficiencies in some patients who are not supplemented with CoQ10 Diagnosis of CoQ10 deficiency in mitochondrial disorders Monitoring CoQ10 status during treatment of various degenerative...

MATCC - Overview: Maternal Cell Contamination, Molecular Analysis, Varies

Ruling out the presence of maternal cell contamination within a fetal specimen Required for all prenatal testing performed in Mayo Clinic Laboratories' Molecular and Biochemical Genetics laboratories

YERSC - Overview: Yersinia Culture, Feces

Determining whether Yersinia species may be the cause of diarrhea Reflexive testing for Yersinia species from nucleic acid amplification test-positive feces This test is generally not useful for patients hospitalized more than 3 days...

GSH - Overview: Glutathione, Blood

Evaluation of neonatal hyperbilirubinemia, favism or chronic or episodic hemolysis or jaundice Evaluation for gamma-glutamylcysteine synthetase deficiency Evaluation for glutathione synthetase deficiency causing hemolytic anemia...

FNSVG - Overview: Vaginitis (VG), NuSwab

Used to detect the presence of Candida albicans and Candida glabrata DNA in vaginal samples as an aid to the diagnosis of vulvovaginal candidiasis in symptomatic women. Also used in the diagnosis of Trichomonas vaginalis infections.

FROS2 - Overview: Fructose, Qualitative, Semen

Establishing the origin of azoospermia in patients with azoospermia and low volume ejaculates

GNFIB - Overview: Congenital Fibrinogen Disorders, FGA, FGB, and FGG Genes, Next-Generation Sequencing, Varies

Evaluating congenital fibrinogen disorders (CFD) in patients with a personal or family history suggestive of a fibrinogen disorder Confirming a CFD diagnosis with the identification of known or suspected disease-causing alterations in the...

21DOC - Overview: 21-Deoxycortisol, Serum

As an adjunct to measurement of 17-hydroxyprogesterone, androstenedione, and cortisol in the diagnosis of difficult cases of suspected 21-hydroxylase (CYP21A2) deficiency Identifying heterozygote CYP21A2 deficiency carriers As an adjunct...

CPAVP - Overview: Copeptin proAVP, Plasma

Investigating the differential diagnosis for patients with water balance disorders, including diabetes insipidus, in conjunction with osmolality and hydration status May aid in the evaluation of cardiovascular disease in conjunction with...

HBAGQ - Overview: Hepatitis B Virus Surface Antigen, Quantitative, Serum

Monitoring of progression of chronic hepatitis B in individuals who are confirmed to be positive for hepatitis B surface antigen Monitoring of response to antiviral therapy in individuals who have chronic hepatitis B but are negative for...

BTWGS - Overview: Bacterial Typing, Whole Genome Sequencing, Varies

Aiding in the investigation of a potential outbreak by a single bacterial species May assist in identification of recurrent infection in an individual patient

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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....

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....

Detection of (1→3)-𝝱-D-glucan as a Marker of Invasive Fungal Disease - Insights

In this month’s “Hot Topic,” Elitza Theel, Ph.D., will discuss the detection of (1→3)-β-D-glucan (BDG) in serum as a biomarker for the presence of invasive fungal infections....

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....