MAL - Overview: Rapid Malaria/Babesia Smear, Varies
Rapid and accurate detection and species identification of Plasmodium Detection of Babesia, trypanosomes, and some species of microfilariae
AFH - Overview: Factor H Autoantibody, Serum
Detection and quantification of antibodies to factor H Monitoring patients with known factor H autoantibodies Aiding in the differential diagnosis of thrombotic microangiopathy and C3 glomerulopathies
FGEN - Overview: Fungal Culture, Routine
Diagnosing fungal infections from specimens other than blood, skin, hair, nails, and vagina (separate tests are available for these specimen sites)
Monitoring response to therapy in patients with known e1/a2 BCR/ABL1 (p190) fusion forms
PNYG - Overview: Phenytoin, Total and Phenobarbital Group, Serum
Monitoring for appropriate therapeutic concentration of phenytoin and phenobarbital Assessing compliance or toxicity
IGA - Overview: Immunoglobulin A (IgA), Serum
Detection or monitoring of IgA monoclonal gammopathies and IgA-related immune deficiencies
UBKQN - Overview: BK Virus DNA Detection and Quantification, Random, Urine
Detection and serial monitoring of BK virus (BKV)-associated nephropathy in kidney transplant recipients using random urine specimens Detection and serial monitoring of BKV-associated hemorrhagic cystitis in organ transplant recipients
HSMP - Overview: Hepatosplenomegaly Panel, Plasma
As a component to the initial evaluation of a patient presenting with hepatosplenomegaly, using plasma specimens This test is not useful for the identification of carriers. This test should not be used as a monitoring tool for patients...
BRBST - Overview: Tickborne Bacterial, PCR and Sequencing, Blood
Detecting and identifying pathogenic tickborne bacteria infecting normally sterile whole blood Potential detection of bacteria that cause similar illnesses to tickborne infections This test should not be used as first tier test. It should...
CILPF - Overview: Congenital Infantile Leukemia, FISH, Tissue
Detecting a neoplastic clone associated with the common chromosome abnormalities and classic rearrangements seen in infant patients with leukemia using tissue specimens
BALPF - Overview: B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), Pediatric, FISH, Varies
Detecting, at diagnosis, recurrent common chromosome abnormalities associated with B-cell acute lymphoblastic leukemia/lymphoma (B-ALL/LBL) and Philadelphia chromosome-like acute lymphoblastic leukemia (Ph-like ALL) in pediatric patients...
NAT2Q - Overview: N-Acetyltransferase 2 (NAT2) Genotype, Varies
Identifying patients who may be at risk for altered metabolism of drugs that are substrates of arylamine N-acetyltransferase type 2, including isoniazid
MPS3B - Overview: Mucopolysaccharidosis III, Three-Enzyme Panel, Blood Spot
Supporting the biochemical diagnosis of mucopolysaccharidoses types IIIA, IIIB, IIIC This test is not useful for carrier detection.
CTB - Overview: Mycobacteria and Nocardia Culture, Varies
Detection and identification of Mycobacterium species, Nocardia species, and other aerobic actinomycetes
CCFR - Overview: Cortisol/Cortisone, Free, Random, Urine
Investigating suspected Cushing syndrome (hypercortisolism), when a 24-hour collection is prohibitive (ie, pediatric patients). Assisting in diagnosing acquired or inherited abnormalities of 11-beta-hydroxy steroid dehydrogenase (cortisol...
2C9QT - Overview: Cytochrome P450 2C9 Genotype, Varies
Identifying individuals who may be at risk for altered metabolism of drugs that are modified by cytochrome P450 2C9
GAES - Overview: Ganglioside Antibodies Evaluation, Serum
Supporting the diagnosis of an autoimmune neuropathy
1A2Q - Overview: Cytochrome P450 1A2 Genotype, Varies
Identifying individuals who are poor, intermediate, normal (extensive) or rapid metabolizers of drugs metabolized by cytochrome P450 1A2 to assist drug therapy decision making
8INHE - Overview: Factor VIII Inhibitor Evaluation, Plasma
Detecting the presence and titer of a specific factor inhibitor directed against coagulation factor VIII This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a nonspecific circulating...
MP9W - Overview: Mucopolysaccharidoses, Nine-Enzyme Panel, Leukocytes
Supporting the biochemical diagnosis of mucopolysaccharidoses types II, IIIA, IIIB, IIIC, IIID, IVA, IVB, VI, and VII, and of multiple sulfatase deficiency This test is not useful for carrier detection.
SP100 - Overview: SP100 Antibody, IgG, Serum
Evaluating the risk of primary biliary cholangitis in anti-mitochondrial antibody (AMA) negative patients by identification of Sp100 antibodies Estimating risk in AMA-positive patients with incomplete feature of disease
NUT1F - Overview: NUTM1 (15q14) Rearrangement, FISH, Tissue
Identifying NUTM1 gene rearrangements in patients with nuclear protein in testis midline carcinoma to aid in confirming or excluding the diagnosis
SGTF - Overview: MYB (6q23) Rearrangement FISH, Tissue
Assessing for MYB gene rearrangements in patients with primary salivary gland carcinoma to aid in confirming or excluding the diagnosis of primary salivary gland adenoid cystic carcinomas
PVLE - Overview: Paraneoplastic Vision Loss Evaluation, Serum
Evaluating patients with rapidly progressive vision loss where a paraneoplastic cause for vision loss (retinopathy or optic neuritis with other findings [eg, retinitis] is suspected) Evaluating patients with small-cell carcinoma who...
Assessing cytomegalovirus (CMV)-specific immune competence in allo-hematopoietic stem cell transplantation patients who are at risk for developing late CMV disease (beyond day 100 after transplant) Assessing CMV-specific immune competence...
VEDOZ - Overview: Vedolizumab Quantitation with Antibodies, Serum
Assessing for primary or secondary loss of response to therapy with vedolizumab An aid to achieving desired serum concentrations of vedolizumab
VEDOL - Overview: Vedolizumab Quantitation with Reflex to Antibodies, Serum
Assessing the response to therapy with vedolizumab An aid to achieving desired trough serum concentration of vedolizumab
ASU24 - Overview: Arsenic with Reflex, 24 Hour, Urine
Preferred screening test for detection of arsenic exposure using 24-hour urine specimens
APGH - Overview: Alpha-Subunit Pituitary Tumor Marker, Serum
Adjunct in the diagnosis of pituitary tumors As part of the follow-up of treated pituitary tumor patients Differential diagnosis of thyrotropin-secreting pituitary tumor versus thyroid hormone resistance Differential diagnosis of...
MSTF - Overview: Myeloid Sarcoma, FISH, Tissue
Supporting the diagnosis of myeloid sarcoma when coordinated with a surgical pathology consultation
GLIC - Overview: CD8 T-Cell Immune Competence, Global, Blood
Determining overimmunosuppression within the CD8 T-cell compartment, when used on transplant recipients and patients with autoimmune disorders receiving therapy with immunosuppressant agents
TOPSU - Overview: Targeted Opioid Screen, Random, Urine
Qualitatively (present vs not detected) identifying 33 opioid compounds (parent drug and metabolites) in urine to help determine compliance or identify illicit opioid drug use This test is not intended for use in employment-related...
CDAU7 - Overview: Drug Abuse Survey with Confirmation, Panel 9, Random, Urine
Detecting drug abuse involving, amphetamines, barbiturates, benzodiazepines, cocaine, ethanol, methadone, opiates, phencyclidine, and tetrahydrocannabinol This test is intended to be used in a setting where the test results can be used...
MSH6 - Overview: MSH6 Immunostain, Technical Component Only
Identifying patients at high risk for having hereditary nonpolyposis colorectal cancer, also known as Lynch syndrome, in an immunopanel including MSH6 and other mismatch repair markers Evaluation of tumor tissue to identify patients at...
NADF - Overview: Newborn Aneuploidy Detection, FISH, Blood
Screening for chromosomal aneuploidies of chromosomes 13, 18, 21, X, and Y in newborn peripheral blood specimens
SAU - Overview: Sialic Acid, Free and Total, Random, Urine
Screening for sialic acid disorders
EPCRB - Overview: Ehrlichia/Anaplasma, Molecular Detection, PCR, Blood
Evaluating patients suspected of acute anaplasmosis or ehrlichiosis This test should not be used for screening asymptomatic individuals.
ARSAW - Overview: Arylsulfatase A, Leukocytes
Preferred enzymatic test for detection of arylsulfatase A deficiency This test is not suitable for carrier detection.
HIAAR - Overview: 5-Hydroxyindoleacetic Acid, Random, Urine
Biochemical diagnosis and monitoring of intestinal carcinoid syndrome using random urine specimens
TBPZA - Overview: Susceptibility, Mycobacterium tuberculosis Complex, Pyrazinamide, Varies
Susceptibility testing of Mycobacterium tuberculosis complex isolates growing in pure culture against pyrazinamide This test is not useful for Mycobacterium bovis and Myocobacterium bovis bacille Calmette-Guerin (BCG) isolates as they are...
RRPRS - Overview: Rapid Plasma Reagin Screen with Reflex to Titer, Serum
Aid for the diagnosis of infection with Treponema pallidum Rapid plasma reagin testing following a positive treponemal antibody test This test is not useful as a screening or confirmatory test for blood donor specimens.
CINP - Overview: Cortisol, Mass Spectrometry, Serum
Second-order testing when cortisol measurement by immunoassay (eg, CORT / Cortisol, Serum) gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous synthetic steroids...
AACSF - Overview: Amino Acids, Quantitative, Spinal Fluid
Evaluating patients with possible inborn errors of amino acid metabolism, particularly nonketotic hyperglycinemia (glycine encephalopathy) and serine biosynthesis defects, especially when used in conjunction with concomitantly collected...
TGMS - Overview: Thyroglobulin Mass Spectrometry, Serum
Accurate measurement of serum thyroglobulin (Tg) in patients with known or suspected antithyroglobulin autoantibodies (TgAb) or heterophile antibodies (HAb) Reflex testing of samples with previously unknown TgAb status that prove TgAb...
IGGS - Overview: IgG Subclasses, Serum
Second-order testing for evaluation of patients with clinical signs and symptoms of humoral immunodeficiency or combined immunodeficiency (cellular and humoral)
XL2T - Overview: FOXL2 Mutation Analysis, Next-Generation Sequencing, Tumor
Assisting in the clinical diagnosis of adult granulosa cell tumor by assessing gene targets with in the FOXL2 gene
FABRZ - Overview: Fabry Disease, Full Gene Analysis, Varies
Confirmation of a diagnosis of classic or variant Fabry disease in affected males with reduced alpha- galactosidase A enzyme activity Carrier or diagnostic testing for asymptomatic or symptomatic females, respectively
AAPD - Overview: Amino Acids, Quantitative, Random, Urine
Evaluating patients with possible inborn errors of metabolism using random urine specimens May aid in evaluation of endocrine disorders, liver diseases, muscle diseases, neoplastic diseases, neurological disorders, nutritional...
2C19R - Overview: Cytochrome P450 2C19 Genotype, Varies
Identifying patients who may be at risk for altered metabolism of drugs that are modified by cytochrome P450 2C19 Predicting anticoagulation response to clopidogrel
EFPO - Overview: Electrolyte and Osmolality Panel, Feces
Workup of cases of chronic diarrhea Diagnosis of factitious diarrhea (where patient adds water to stool to simulate diarrhea)
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....