ERPR - Overview: Estrogen/Progesterone Receptor, Semi-Quantitative Immunohistochemistry, Manual
Guiding decisions on hormonal therapy in patients with breast carcinomas This test is not useful for cases of lobular carcinoma in situ.
FFRBS - Overview: Friedreich Ataxia, Frataxin, Quantitative, Blood Spot
Diagnosing individuals with Friedreich ataxia in blood spot specimens Monitoring frataxin levels in patients with Friedreich ataxia This test is not useful for carrier detection.
BALAF - Overview: B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), FISH, Adult, 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 adult patients As...
LDBF - Overview: Lactate Dehydrogenase (LDH), Body Fluid
Identification of exudative pleural effusions Lactate dehydrogenase in pericardial fluids is not diagnostically useful.
AN2TC - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Spinal Fluid
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...
HL58R - Overview: HLA-B*5801 Genotype, Allopurinol Hypersensitivity, Varies
Identifying individuals with an increased risk of severe cutaneous adverse reactions to allopurinol based on the presence of the human leukocyte antigen HLA-B*58:01 allele
VH - Overview: Vanillylmandelic Acid and Homovanillic Acid, Random, Urine
Preferred first test for screening for catecholamine-secreting tumors in a random urine specimen when requesting both homovanillic acid and vanillylmandelic acid Supporting a diagnosis of neuroblastoma Monitoring patients with a treated...
WAGDR - Overview: Alpha Globin Cluster Locus Deletion/Duplication, Blood
Diagnosis of alpha-thalassemia Carrier screening for individuals from high-risk populations for alpha-thalassemia This test is not useful for diagnosis or confirmation of beta-thalassemia or hemoglobinopathies.
10INE - Overview: Factor X Inhibitor Evaluation, Plasma
Detection and quantitation of inhibitor to coagulation factor X This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a nonspecific circulating anticoagulant, or other inhibitors that are not...
11INE - Overview: Factor XI Inhibitor Evaluation, Plasma
Detection and quantitation of inhibitor to coagulation factor XI This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a nonspecific circulating anticoagulant, or other inhibitors that are not...
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....