DOCS - Overview: 11-Deoxycorticosterone, Serum
Diagnosis of suspected 11-hydroxylase deficiency, including the differential diagnosis of 11-beta-hydroxylase 1 (CYP11B1) versus 11-beta-hydroxylase 2 (CYP11B2) deficiency Diagnosis of glucocorticoid-responsive...
BNP - Overview: B-Type Natriuretic Peptide, Plasma
Aiding in the diagnosis of congestive heart failure (CHF) The role of B-type natriuretic peptide in monitoring CHF therapy is under investigation.
CORTC - Overview: Corticosterone, Serum
Diagnosis of suspected 11-hydroxylase deficiency, including the differential diagnosis of 11-beta-hydroxylase 1 (CYP11B1) versus 11-beta-hydroxylase 2 (CYP11B2) deficiency, and the diagnosis of glucocorticoid-responsive hyperaldosteronism...
Heavy and light chain pair quantitation may be useful for: 1. Distinguishing between broadly migrating monoclonal proteins and restricted polyclonal immunoglobulin patterns on serum electrophoresis. 2. Quantitating monoclonal IgG proteins...
POWVS - Overview: Powassan Virus, RNA, Molecular Detection, PCR, Serum
Rapid testing for Powassan virus RNA (lineage 1 and lineage 2) using serum specimens An adjunctive test to serology for detection of early Powassan virus infection (ie, first few days after symptom onset) This assay should not be used for...
WNVS - Overview: West Nile Virus, RNA, PCR, Molecular Detection, Serum
Rapid testing for West Nile virus (WNV) RNA (lineage 1 and lineage 2) using serum specimens An adjunctive test to serology for detection of early WNV infection (ie, first few days after symptom onset) This test should not be used for...
CTX - Overview: Beta-CrossLaps, Serum
Monitoring antiresorptive therapies (eg, bisphosphonates and hormone replacement therapy) in postmenopausal women treated for osteoporosis and individuals diagnosed with osteopenia An adjunct in the diagnosis of medical conditions...
AN2TS - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Serum
Investigating middle-aged or older patients who present with unexplainable signs of midbrain/cerebellar/brain stem disorder and/or myelopathy, especially women with a previous history of breast cancer, and both sexes if there is a history...
BTKSG - Overview: Bruton Tyrosine Kinase, BTK Full Gene Analysis, Varies
Confirming a diagnosis of X-linked agammaglobulinemia in patients with a history of recurrent sinopulmonary infections, profound hypogammaglobulinemia, and less than 1% peripheral B cells, with or without abnormal Bruton tyrosine kinase...
Evaluation of patients with an abnormal newborn screen showing elevations of glutarylcarnitine (C5-DC) using serum specimens Evaluation of patients with abnormal newborn screens showing elevations of C4- acylcarnitine to aid in the...
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....