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Test Catalog

ALBS1 - Overview: Albumin, Serum

Assessing nutritional status Aiding in the diagnosis of multiple sclerosis when used in conjunction with serum IgG, and cerebrospinal fluid IgG and albumin concentrations

NH3V - Overview: Ammonia, Plasma

Assisting in the diagnosis of hepatic coma Investigating and monitoring treatment for inborn errors of metabolism Evaluating patients with advanced liver disease

OSMOF - Overview: Osmolality, Feces

Measurement of osmolality for the workup of cases of chronic diarrhea Diagnosis of factitious diarrhea (where patient adds fluid to stool to simulate diarrhea)

MMAGP - Overview: Methylmalonic Aciduria Gene Panel, Varies

Follow up for abnormal biochemical results suggestive of a methylmalonic acidemia Establishing a molecular diagnosis for patients with methylmalonic acidemia Identifying variants within genes known to be associated with methylmalonic...

GNF13 - Overview: Factor XIII Deficiency, F13A1 and F13B Genes, Next-Generation Sequencing, Varies

Evaluating factor XIII deficiency (FXIIID) in patients with a personal or family history suggestive of FXIIID Confirming an FXIIID diagnosis with the identification of known or suspected disease-causing alterations in the F13A1 or F13B...

TTIGS - Overview: Tetanus Toxoid IgG Antibody, Serum

Assessing antibody response to the tetanus toxoid vaccine, which should be performed at least 3 weeks after immunization Aiding in the evaluation of immunodeficiency This test should not be used to diagnose tetanus infection.

RALB1 - Overview: Albumin, Random, Urine

Assessing the potential for early onset of nephropathy in diabetic patients using random urine specimens

CD273 - Overview: CD273 (PD-L2) Immunostain, Technical Component Only

Differentiation of primary mediastinal large B-cell lymphoma from diffuse large B cell-lymphoma

HALO - Overview: Haloperidol, Serum

Optimizing haloperidol dosage Monitoring patient compliance Assessing toxicity

GATA3 - Overview: GATA Binding Protein 3 Immunostain, Technical Component Only

Characterizing carcinomas, including primary bladder and breast carcinomas, and some types of mesenchymal and neuroectodermal tumors

KIMEL - Overview: Ki67 + Melan A Immunostain, Technical Component Only

Ki67 is a marker of proliferation in neoplasms Melan A aids in the identification of melanoma

KRTAE - Overview: Keratin (AE1/AE3) Immunostain, Technical Component Only

Identification of cells expressing a broad spectrum of cytokeratins (low and high molecular weight keratins)

BHSF - Overview: Beta-Human Chorionic Gonadotropin, Quantitative, Spinal Fluid

Aiding in the diagnosis of brain metastases of testicular cancer or extragonadal intracerebral germ cell tumors

BIOTS - Overview: Biotinidase, Serum

Preferred test for the diagnosis of biotinidase deficiency Follow-up testing for certain organic acidurias

SGSS - Overview: Synthetic Glucocorticoid Screen, Serum

Confirming the presence of listed synthetic glucocorticoids (see Interpretation) Confirming the cause of secondary adrenal insufficiency This test is not useful for detection of fluticasone propionate.

CA153 - Overview: Cancer Antigen 15-3 (CA 15-3), Serum

Managing breast cancer patients when used in conjunction with clinical information and other diagnostic procedures Serial testing to assist in early detection of disease recurrence in previously treated stage II and III breast cancer...

CLZ - Overview: Clozapine, Serum

Monitoring patient compliance of clozapine treatment An aid to achieving desired serum levels

CALPN - Overview: Calponin Immunostain, Technical Component Only

Marker for myoepithelium when differentiating ductal carcinomas in situ from infiltrating breast carcinoma Characterization of tumors of smooth muscle or myoepithelial lineage

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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....