ARSBW - Overview: Arylsulfatase B, Leukocytes
Supporting the biochemical diagnosis of mucopolysaccharidosis type VI (MPS VI, Maroteaux-Lamy syndrome) in whole blood specimens This test is not useful for carrier detection.
BAPS - Overview: Bile Acid Profile, Serum
Evaluating the enterohepatic cycle consisting of the biliary system, intestine, portal circulation, and hepatocytes Supporting researchers in need of free and conjugated values of all 20 bile acid species as well as total bile acid
ARBI - Overview: Acetylcholine Receptor (Muscle AChR) Binding Antibody, Serum
Supporting the diagnosis of 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 An adjunct...
MSCSF - Overview: Bacteria, Virus, Fungus, and Parasite Metagenomic Sequencing, Spinal Fluid
Detecting and identifying pathogenic organisms including bacteria, fungi, DNA viruses, RNA viruses, and parasites in cerebrospinal fluid This test is not recommended as a test of cure because nucleic acids may persist after successful...
CMAFF - Overview: Chromosomal Microarray (CMA) Familial Testing, FISH
Determining the inheritance pattern of copy number changes previously identified by chromosomal microarray analysis in a patient and aiding in the clinical interpretation of the pathogenicity of the copy number change
SBULB - Overview: Spinobulbar Muscular Atrophy (Kennedy Disease), Molecular Analysis, Varies
Molecular confirmation of clinically suspected cases of sporadic or familial spinobulbar muscular atrophy (SBMA) Presymptomatic testing for individuals with a family history of SBMA and a documented expansion in the androgen receptor (AR)...
MNB - Overview: Manganese, Blood
Evaluation of central nervous system symptoms, similar to Parkinson disease, in manganese (Mn) miners and processors Characterization of liver cirrhosis Therapeutic monitoring in treatment of cirrhosis, parenteral nutrition-related Mn...
SM - Overview: Smith (Sm) Antibodies, IgG, Serum
Evaluating patients with clinical features suggestive of antinuclear antibody associated connective tissue disease and the confirmation of a diagnosis of systemic lupus erythematosus. Testing for Smith antibodies is not useful in patients...
CSTB - Overview: CSTB Gene, Repeat Expansion Analysis, Varies
Molecular confirmation of clinically suspected CSTB-related progressive myoclonic epilepsy Identifying full penetrance dodecamer repeat expansions within CSTB known to cause CSTB-related progressive myoclonic epilepsy, allowing for...
CRMTC - Overview: Collapsin Response-Mediator Protein-5 (CRMP-5) Neuronal IgG Titer, Spinal Fluid
Evaluation of neuroautoimmunity, particularly small-cell lung carcinoma and thymoma, in conjunction with other antineuronal antibodies Reporting an end titer result from cerebrospinal fluid specimens
CTXBS - Overview: Cerebrotendinous Xanthomatosis, Blood Spot
Evaluating patients with a clinical suspicion of cerebrotendinous xanthomatosis (CTX) using dried blood spot specimens Monitoring individuals with CTX on chenodeoxycholic acid (CDCA) therapy This test is not useful for the...
COWB - Overview: Cobalt, Blood
Monitoring exposure to cobalt using whole blood specimens Monitoring metallic prosthetic implant wear This test is not useful for assessment of vitamin B12 activity.
CARBI - Overview: Carbapenem Resistance Genes, Molecular Detection, PCR, Varies
Detecting and differentiating blaKPC, blaNDM, blaVIM, blaOXA-48, and blaIMP gene sequences associated with carbapenem intermediate or resistant results Aiding in infection control in the detection of gastrointestinal colonization of...
BPAB - Overview: Bullous Pemphigoid, BP180 and BP230, IgG Antibodies, Serum
Initial screening test in the diagnosis of bullous pemphigoid and its variants Complementing the standard serum test of indirect immunofluorescence utilizing primate esophagus substrate and primate salt-split skin substrate (CIFS /...
ANIDE - Overview: Organism Referred for Identification, Anaerobic Bacteria
Identifying anaerobic bacteria involved in human infections
ANCA - Overview: Cytoplasmic Neutrophil Antibodies, Serum
Evaluating patients with clinical features of ANCA-associated vasculitis, specifically granulomatosus with polyangiitis, microscopic polyangiitis, and eosinophilic granulomatosus with polyangiitis
FHEXA - Overview: Hexagonal Phospholipid Neutralization
Hexagonal Phospholipid Neutralization
FLACQ - Overview: Lactoferrin, Quantitative, Stool
Lactoferrin, Quantitative, Stool
Detecting drug use involving stimulants, barbiturate, benzodiazepines, cocaine, opioids, tetrahydrocannabinol, alcohol, and nicotine This test is not intended for use in employment-related testing.
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...
PNBX - Overview: Peripheral Nerve Pathology Consultation
Evaluating diseases of the nerve and disorders that affect nerve function
RPR8 - Overview: Respiratory Profile, Region 8, Central Midwest (IA, IL, MO), Serum
Assessing sensitization to various inhalant allergens commonly found in the Central Midwest region including Iowa, Illinois, and Missouri Defining the allergen responsible for eliciting signs and symptoms Identifying...
TERTD - Overview: TERT Promoter Mutation Analysis, Droplet Digital PCR, Tumor
Identifying specific mutations within the TERT promoter that assist in tumor diagnosis/classification
Assessing pure isolates of Helicobacter pylori to predict clarithromycin resistance or susceptibility
Screening cadaveric or hemolyzed serum specimens for hepatitis C virus (HCV) infection in asymptomatic individuals with or without risk factors for HCV infection Note: In accordance with National Coverage Determination guidance, this test...
HCCDD - Overview: Hepatitis C Virus Antibody, Cadaveric or Hemolyzed Specimens, Symptomatic, Serum
Diagnosis of hepatitis C virus (HCV) infection in cadaveric or hemolyzed serum specimens from symptomatic patients with or without risk factors for HCV infection This test is not intended for screening blood, cell, or tissue donors. This...
FAO - Overview: Fatty Acid Oxidation Probe Assay, Fibroblast Culture
In vitro confirmation of biochemical diagnoses of the following fatty acid oxidation disorders: -Short-chain acyl-CoA dehydrogenase deficiency -Medium-chain acyl-CoA dehydrogenase deficiency -Long-chain 3-hydroxyacyl-CoA dehydrogenase...
Diagnosis of a neuromyelitis optica spectrum disorder (NMOSD) Diagnosis of autoimmune AQP4 channelopathy Diagnosis of neuromyelitis optica (NMO) Distinguishing NMOSD from multiple sclerosis early in the course of disease
NONCR - Overview: Neuro-Oncology Gene Panel, Rearrangements Only, Tumor
Identifying rearrangements that may support a diagnosis or help determine prognosis for patients with central nervous system tumors Identifying rearrangements within genes known to be associated with response or resistance to specific...
OXNP - Overview: Oxysterols, Plasma
Investigating a possible diagnosis of Niemann-Pick disease types A, B, or C using plasma specimens Monitoring of individuals with Niemann-Pick type C disease This test is not useful for the identification of carriers.
MPNCM - Overview: Myeloproliferative Neoplasm, CALR with Reflex to MPL, Varies
Aiding in the distinction between a reactive cytosis and a myeloproliferative neoplasm when JAK2V617F testing result is negative
TSI - Overview: Thyroid-Stimulating Immunoglobulin, Serum
Second-order testing for autoimmune thyroid disease, including: -Differential diagnosis of etiology of thyrotoxicosis in patients with ambiguous clinical signs or contraindicated (eg, pregnant or breast-feeding) or indeterminate thyroid...
OXYWB - Overview: Oxysterols, Blood
Investigating a possible diagnosis of Niemann-Pick disease type A, B, or C using whole blood specimens Monitoring of individuals with Niemann-Pick type C disease This test is not useful for the identification of carriers.
UNIPD - Overview: Uniparental Disomy, Varies
Evaluation of patients presenting with mosaicism, confined placental mosaicism, or Robertsonian translocations Evaluation of patients presenting with features of disorders known to be associated with uniparental disomy (eg, Russell-Silver...
PADF - Overview: Prenatal Aneuploidy Detection, FISH
Screening for chromosomal aneuploidies of chromosomes 13, 18, 21, X, and Y in prenatal specimens
HL57R - Overview: HLA-B*57:01 Genotype, Pharmacogenomics, Varies
Identifying individuals with an increased risk of hypersensitivity reactions to abacavir, based on the presence of the human leukocyte antigen HLA-B*57:01 allele Identifying individuals taking pazopanib who have an increased risk of...
MAFP1 - Overview: Alpha-Fetoprotein (AFP), Single Marker Screen, Maternal, Serum
Prenatal screening for open neural tube defect
APOEG - Overview: Apolipoprotein E Genotyping, Blood
Determining the specific apolipoprotein E (APOE) genotypes in individuals with type III hyperlipoproteinemia Determining the specific APOE genotypes that may increase risk for amyloid related imaging abnormalities in individuals being...
SZDIA - Overview: Sezary Diagnostic Flow Cytometry, Blood
Identifying immunophenotypically aberrant T-cell populations with restricted expression of T-cell receptor beta-chain constant in peripheral blood, to roughly assess the circulating tumor burden in cutaneous T-cell lymphomas
PNTO - Overview: Streptococcus pneumoniae IgG Antibodies, Total, Serum
Assessing the IgG antibody response to active immunization with nonconjugated 23-valent pneumococcal vaccines Assessing the IgG antibody response to active immunization with conjugated 13-valent, 15-valent and 20-valent pneumococcal...
CATPA - Overview: Catecholamine, Endocrine Study, Plasma
Diagnosis of pheochromocytoma and paraganglioma in specimens collected from individuals in both supine and standing positions, as an auxiliary test to fractionated plasma and urine metanephrine measurements Diagnosis and follow-up of...
FALBU - Overview: Albuterol, Serum/Plasma
Albuterol, Serum/Plasma
TP - Overview: Protein, Total, Serum
Diagnosis and treatment of a variety of diseases involving the liver, kidney, or bone marrow, as well as other metabolic or nutritional disorders
TRMP - Overview: Trimipramine, Serum
Monitoring trimipramine concentration during therapy Evaluating potential trimipramine toxicity May aid in evaluating patient compliance
TLB - Overview: Thallium, Blood
Detecting toxic exposure in whole blood specimens
FXIII - Overview: Factor XIII (13), Screen, Plasma
Screening for factor XIII deficiency
FELBA - Overview: Felbamate (Felbatol), Serum
Determining whether a poor therapeutic response is attributable to noncompliance or lack of drug effectiveness Monitoring changes in serum concentrations resulting from interactions with coadministered drugs such as barbiturates and...
LEVE - Overview: Levetiracetam, Serum
Monitoring serum concentration of levetiracetam, particularly in patients with kidney disease Assessing compliance with levetiracetam therapy Assessing potential toxicity of levetiracetam
RAMIK - Overview: Amikacin, Random, Serum
Monitoring adequacy of blood concentration during amikacin therapy
ADULT - Overview: Adulterants Survey, Random, Urine
Assessment of possible adulteration of a urine specimen submitted for drug of abuse testing Providing the creatinine concentration for normalization purposes
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.