DHTS - Overview: Dihydrotestosterone, Serum
Monitoring patients receiving 5-alpha reductase inhibitor therapy or chemotherapy Evaluating patients with possible 5-alpha reductase deficiency
DSM4X - Overview: Drugs of Abuse Screen 4, Chain of Custody, Meconium
Identifying amphetamines (and methamphetamines), opiates, as well as metabolites of cocaine and marijuana in meconium specimen Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to...
GLP - Overview: Glucagon, Plasma
Diagnosis and follow-up of glucagonomas and other glucagon-producing tumors Assessing diabetic patients with problematic hyper- or hypoglycemic episodes (extremely limited utility)
FRTUP - Overview: Free Thyroxine Index (FTI), Serum
Estimating the amount of circulating free thyroxine (free thyroxine index) using the total thyroxine and thyroid binding capacity (T-uptake)
IBDP2 - Overview: Inflammatory Bowel Disease Serology Panel, Serum
Distinguishing between ulcerative colitis and Crohn disease in patients for whom the specific diagnosis is unclear based on endoscopic, pathologic, and imaging evaluations This test is not useful for determining the extent of disease in...
LPALD - Overview: Lipoprotein (a) and Low-Density Lipoprotein Cholesterol, Serum
Evaluation of the contribution of lipoprotein (a) (Lp[a])-cholesterol within measured low-density lipoprotein cholesterol Evaluation of increased risk for cardiovascular disease and events: -Most appropriately measured in individuals at...
Detection of severe respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of coronavirus disease 2019 (COVID-19) in formalin-fixed, paraffin-embedded tissue
ROPG - Overview: Measles (Rubeola) Antibodies, IgG, Serum
Determining immune status of individuals to the measles virus Documenting previous infection with measles virus in an individual without a previous record of immunization to measles virus
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...
TBSU - Overview: Targeted Benzodiazepine Screen, Random, Urine
Determining compliance or identifying illicit benzodiazepine drug use This test is not intended for employment-related testing.
Category A - Mayo Clinic Laboratories
How do I determine if my specimen is a Category A infectious substance affecting humans? See Category A Infectious Substances. By law, an......
Guidance on subtyping of influenza A test results - Insights
Mayo Clinic Laboratories’ guidance for subtyping influenza A in response to a CDC advisory for hospitalized patients...
Category A Infectious Substances - Mayo Clinic Laboratories
Category A Infectious Substances The Dangerous Goods section of the International Air Transport Association (IATA) website provides a "Classification of Infectious Substances" document (pdf)...
Testing for Antibodies to SS-A/Ro in Autoimmune Diseases - Insights
In this month’s “Hot Topic,” Anne Tebo, Ph.D., discusses recent updates in the testing for anti-SS-A/Ro antibodies in systemic autoimmune rheumatic diseases....
A recent Mayo Clinic study has found that many U.S. health care providers are habitually ordering a mostly unnecessary, and quite expensive, genetic test to identify a patient’s hereditary risk of venous...