C9ORF - Overview: C9orf72 Hexanucleotide Repeat, Molecular Analysis, Varies
Molecular confirmation of clinically suspected cases of c9FTD/ALS, frontotemporal dementia (FTD), or amyotrophic lateral sclerosis (ALS) Presymptomatic testing for individuals with a family history of c9FTD/ALS and a documented expansion...
DPYDZ - Overview: Dihydropyrimidine Dehydrogenase, DPYD Full Gene Sequencing, Varies
Identifying individuals at increased risk of toxicity when considering 5-fluorouracil and capecitabine chemotherapy treatment Identifying common and rare variants associated with decreased or absent dihydropyrimidine dehydrogenase (DPD)...
EBVAB - Overview: Epstein-Barr Virus Antibody Profile, Serum
Diagnosis of Epstein-Barr virus (EBV) infectious mononucleosis or other EBV related infections Identification of prior EBV infection as part of pre-immunosuppression screening This assay is not intended for viral isolation or...
Detection and differentiation between recent, past/resolved, or chronic hepatitis B Diagnosis of recent hepatitis B virus (HBV) infection during the "window period" when both hepatitis B surface (HBs) antigen and anti-HBs are negative...
HCVL - Overview: Hepatitis C Virus Antibody Confirmation, Serum
Confirming the presence of hepatitis C virus (HCV)-specific IgG antibodies in serum specimens that are reactive by HCV antibody screening tests Distinguishing between true- and false-reactive HCV antibody screening test results This test...
Diagnosis of a neuromyelitis optica spectrum disorder (NMOSD) Diagnosis of autoimmune AQP4 channelopathy Distinguishing NMOSD from multiple sclerosis early in the course of disease
TPPA - Overview: Syphilis Antibody, Treponema pallidum Particle Agglutination, Serum
An aid to resolve discrepant results between screening treponemal and non-treponemal assays This test is not recommended for general screening purposes for syphilis. This test should not be used to evaluate response to therapy. This test...
WESDX - Overview: Whole Exome Sequencing for Hereditary Disorders, Varies
Serving as a first-tier test to identify a molecular diagnosis in patients with suspected genetic disorders, which can allow for: -Better understanding of the natural history/prognosis -Targeted management (anticipatory guidance, management...
FCARO - Overview: Carotene, Beta
Confirm the diagnosis of carotenoderma; detect fat malabsorption; depressed carotene levels may be found in cases of steatorrhea.
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....