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Test Catalog

IGE - Overview: Immunoglobulin E (IgE), Serum

Evaluating patients with suspected diseases associated with elevations in total immunoglobulin E (IgE), including allergic disease, primary immunodeficiencies, infections, malignancies, or other inflammatory diseases Diagnostic evaluation...

LDLD - Overview: Low-Density Lipoprotein (LDL) Cholesterol, Beta-Quantification, Serum

Evaluation of cardiovascular risk Verification of estimated low-density lipoprotein cholesterol (LDL-C) in patients with hypertriglyceridemia or extremely low LDL-C Diagnosis of familial hypobetalipoproteinemia and abetalipoproteinemia

MECPI - Overview: Methicillin Resistance Gene, Molecular Detection, PCR, Varies

Detecting mecA in staphylococcal bacterial isolates Evaluating treatment options when oxacillin or cefoxitin breakpoints are unavailable (eg, certain Staphylococcus species other than Staphylococcus aureus) Predicting antimicrobial...

ALAD - Overview: Aminolevulinic Acid Dehydratase, Whole Blood

Preferred confirmation test for the diagnosis of aminolevulinic acid dehydratase deficiency porphyria This test is not useful for detecting lead intoxication.

MMLNS - Overview: Antimicrobial Susceptibility, Nocardia species and other Aerobic Actinomycetes, Varies

Determining the resistance of species of Nocardia and other aerobic actinomycetes to antimicrobial agents. This test is not useful for determining resistance of aerobic actinomycetes species of the following genera: Actinoallomurus,...

ACMFS - Overview: Acetylcholine Receptor Modulating Antibody, Flow Cytometry Assay, Serum

Diagnosis for autoimmune myasthenia gravis (MG) in adults and children Distinguishing autoimmune from congenital MG in adults and children or other acquired forms of neuromuscular junction transmission disorders. This test is a...

BILEA - Overview: Bile Acids, Total, Serum

An aid in the evaluation of liver function Evaluation of liver function changes before the formation of more advanced clinical signs of illness such as icterus An aid in the determination of hepatic dysfunction as a result of chemical and...

NMHR1 - Overview: N-Methylhistamine, Random, Urine

Screening for and monitoring of mastocytosis and disorders of systemic mast-cell activation, such as anaphylaxis and other forms of severe systemic allergic reactions as a part of a random urine collection profile Monitoring therapeutic...

NMH1D - Overview: N-Methylhistamine, 24 Hour, Urine

Screening for and monitoring of mastocytosis and disorders of systemic mast-cell activation, such as anaphylaxis and other forms of severe systemic allergic reactions as a part of a profile Monitoring therapeutic progress in conditions...

COBRU - Overview: Cobalt/Creatinine Ratio, Random, Urine

Detecting cobalt exposure in a random urine collection Monitoring metallic prosthetic implant wear This test is not useful for assessment of vitamin B12 activity.

B190R - Overview: BCR/ABL1, p190, mRNA Detection, Reverse Transcription-PCR (RT-PCR), Quantitative, Reflex, Varies

Diagnostic workup of patients with a high probability of BCR-ABL1-positive hematopoietic neoplasms, particularly acute lymphoblastic leukemia (B-lymphoblastic leukemia), to provide a pretreatment quantitative level of BCR-ABL1 mRNA...

RAPAN - Overview: Rheumatoid Arthritis Panel, Serum

Evaluating patients suspected of having rheumatoid arthritis (RA) Differentiating RA from other inflammatory arthritis or connective tissue diseases Diagnosis and stratification of rheumatoid arthritis

BTK - Overview: Bruton Tyrosine Kinase, Protein Expression, Flow Cytometry, Blood

Preliminary screening for X-linked agammaglobulinemia, primarily in male patients (<65 years) or female carriers (child-bearing age: <45 years)

PEWE - Overview: Porphyrins Evaluation, Washed Erythrocytes

Preferred test for analysis of erythrocyte porphyrins Establishing a biochemical diagnosis of erythropoietic protoporphyria, and X-linked dominant protoporphyria

MMLSA - Overview: Antimicrobial Susceptibility, Anaerobic Bacteria, Minimal Inhibitory Concentration, Varies

Determining the in vitro susceptibility on isolates of anaerobic bacteria involved in human infections Directing antimicrobial therapy for anaerobic bacterial infections

TPSF - Overview: Protein, Total, Spinal Fluid

Detecting disruptions of the blood-brain barrier or intrathecal synthesis of immunoglobulins

QUIN - Overview: Quinidine, Serum

Assessing and adjusting quinidine dosage for optimal therapeutic level Assessing quinidine toxicity

COL7 - Overview: Anti-Collagen type VII, IgG Antibodies, Serum

Initial screening test in the diagnosis of epidermolysis bullosa acquisita and other immunobullous diseases mediated by collagen VII

BARBU - Overview: Barbiturates Confirmation, Random, Urine

Detecting drug abuse involving barbiturates such as amobarbital, butalbital, pentobarbital, phenobarbital, and secobarbital

TAPEN - Overview: Tapentadol and Metabolite, Random, Urine

Monitoring of compliance utilizing tapentadol Detection and confirmation of the illicit use of tapentadol This test is not intended for use in employment-related testing.

CEASF - Overview: Carcinoembryonic Antigen (CEA), Spinal Fluid

Detecting meningeal carcinomatosis and intradural or extradural infiltration Differentiating brain parenchymal metastasis from adenocarcinoma or squamous-cell carcinoma

CAFF - Overview: Caffeine, Serum

Monitoring caffeine therapy in neonates Assessing caffeine toxicity in neonates

APBCC - Overview: Adaptor Protein 3 Beta2 (AP3B2) Antibody, Cell-Binding Assay, Spinal Fluid

The differential diagnosis of patients presenting with mixed cerebellar and sensory ataxia and myeloneuropathy Evaluating AP3B2 (adaptor protein 3 beta2)-IgG by cell-binding assay using spinal fluid specimens

OPE - Overview: Ova and Parasite, Travel History or Immunocompromised, Feces

Detecting and identifying parasitic protozoa and eggs and larvae of parasitic helminths in stool specimens

PR3 - Overview: Proteinase 3 Antibodies, IgG, Serum

Evaluating patients with clinical features of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis, specifically granulomatosis with polyangiitis (GPA), microscopic polyangiitis, and eosinophilic granulomatosis with...

LYME - Overview: Lyme Disease Serology, Serum

Diagnosing Lyme disease This test should not be used as a screening procedure for the general population. This test should not be used for treatment monitoring.

SCOVT - Overview: Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), RNA Detection, ddPCR, Tissue

Detection of severe respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of coronavirus disease 2019 (COVID-19) in formalin-fixed, paraffin-embedded tissue

MPO - Overview: Myeloperoxidase Antibodies, IgG, Serum

Evaluating patients with clinical features anti-neutrophil cytoplasmic antibody associated vasculitis, specifically granulomatosis with polyangiitis, microscopic polyangiitis (MPA), and eosinophilic granulomatosis with polyangiitis...

SHIGC - Overview: Shigella Culture, Feces

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

CHRTI - Overview: Chromosome Analysis, Skin Biopsy

Diagnosis of mosaic congenital chromosome abnormalities, including mosaic aneuploidy and mosaic structural abnormalities Subsequent chromosome analysis when results from peripheral blood are inconclusive

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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....