RISAP - Overview: Risankizumab Quantitation with Antibodies, Serum
Evaluation of patients with limited primary (initial) response to or secondary loss of response to risankizumab
PC1TS - Overview: Purkinje Cell Cytoplasmic Antibody Type 1 (PCA-1) Titer, Serum
Identifying female patients whose subacute cerebellar degeneration or peripheral neuropathy is due to a remote (autoimmune) effect of gynecologic or breast carcinoma Reporting an end titer result from serum specimens
TRYPT - Overview: Tryptase, Serum
Evaluation of individuals with suspected mast cell activation, which may occur as a result of anaphylaxis or allergen challenge Evaluation of patients with suspected mast cell activation syndrome Evaluation of patients with suspected...
T4 - Overview: T4 (Thyroxine), Total Only, Serum
Monitoring treatment with synthetic hormones (synthetic T3 [triiodothyronine] will cause a low total T4 [thyroxine]) Monitoring treatment of hyperthyroidism with thiouracil and other anti-thyroid drugs Index of thyroid function when the...
DCORT - Overview: 11-Deoxycortisol, Serum
Diagnostic workup of patients with congenital adrenal hyperplasia Part of metyrapone testing in the workup of suspected secondary or tertiary adrenal insufficiency Part of metyrapone testing in the differential diagnostic workup of...
SFUNG - Overview: 1,3-Beta-D-Glucan (Fungitell), Serum
Aiding in the diagnosis of invasive fungal infections caused by various fungi, including Aspergillus species, Fusarium species, Candida species, and Pneumocystis jirovecii, among others
TSTIM - Overview: Targeted Stimulant Screen, Random, Urine
Aiding in the determination of compliance or identify illicit stimulant drug use This test is not intended for use in employment-related testing.
VWFMS - Overview: von Willebrand Factor Multimer Analysis, Plasma
Resolving discrepancies when results of complementary laboratory tests (eg, F8A / Coagulation Factor VIII Activity Assay, Plasma; VWACT / von Willebrand Factor Activity, Plasma; and VWAG / von Willebrand Factor Antigen, Plasma) are...
RTRP2 - Overview: Tubular Reabsorption of Phosphorus, Random Urine and Serum
Assessing renal reabsorption of phosphorus in a variety of pathological conditions associated with hypophosphatemia including hypophosphatemic rickets, tumor-induced osteomalacia, and tumoral calcinosis Adjusting phosphate replacement...
UPGDW - Overview: Uroporphyrinogen Decarboxylase, Washed Erythrocytes
Diagnosis of porphyria cutanea tarda type II and hepatoerythropoietic porphyria
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...