TBBS - Overview: Quantitative Lymphocyte Subsets: T, B, and Natural Killer (NK) Cells, Blood
Serial monitoring of CD4 T-cell count in patients who are HIV-positive Follow-up and diagnostic evaluation of primary immunodeficiencies, including severe combined immunodeficiency Immune monitoring following immunosuppressive therapy...
DD22F - Overview: 22q11.2 Deletion/Duplication, FISH, Varies
Establishing a diagnosis of 22q deletion/duplication syndromes Detecting cryptic rearrangements involving 22q11.2 or 22q11.3 that are not demonstrated by conventional chromosome studies
WARSQ - Overview: Warfarin Response Genotype, Varies
Identifying patients who may require warfarin dosing adjustments(3,4) including: -Patients being started on a first prescription for warfarin -Patients who have previously been prescribed warfarin and have required multiple dosing...
RETZZ - Overview: Multiple Endocrine Neoplasia Type 2 Syndrome, RET, Full Gene Analysis, Varies
Evaluating patients with a personal or family history suggestive of a multiple endocrine neoplasia type 2 (MEN2) or Hirschsprung disease (HSCR) Establishing a diagnosis of MEN2 or HSCR allowing for targeted cancer surveillance based on...
WNDZ - Overview: Wilson Disease, ATP7B Full Gene Sequencing with Deletion/Duplication, Varies
Confirming the diagnosis of Wilson disease
Evaluation of known or suspected hematologic neoplasms, specifically of myeloid origin (eg, acute myeloid leukemia, myelodysplastic syndrome, myeloproliferative neoplasm, myelodysplastic/myeloproliferative neoplasm, unexplained cytopenias)...
H2BR - Overview: HER2 Amplification Associated with Breast Cancer, FISH, Tissue
A predictive marker for patients with both node-positive or node-negative primary and metastatic breast cancer Patients with HER2 amplification that may be candidates for therapies targeting the human epidermal growth factor receptor 2...
MCSRC - Overview: MayoComplete Comprehensive Sarcoma Panel, Next-Generation Sequencing, Tumor
Primarily for identifying mutations that help in the diagnosis of specific soft tissue and bone tumors (sarcoma) Secondarily for identifying mutations that have therapeutic or prognostic significance Assessing microsatellite instability...
UGTFZ - Overview: UDP-Glucuronosyltransferase 1A1 (UGT1A1), Full Gene Sequencing, Varies
Establishing a diagnosis of Crigler-Najjar syndrome type I or type II and the trait of Gilbert syndrome Establishing carrier status for Crigler-Najjar syndrome type I or type II Identifying individuals who are at risk of...
ANST - Overview: Androstenedione, Serum
Diagnosis and differential diagnosis of hyperandrogenism, in conjunction with measurements of other sex steroids Diagnosis of congenital adrenal hyperplasia (CAH), in conjunction with measurement of other androgenic precursors,...
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....