Evaluating patients with chronic myelogenous leukemia and Philadelphia chromosome positive B-cell acute lymphoblastic leukemia receiving tyrosine kinase inhibitor (TKI) therapy, who are apparently failing treatment Preferred initial test...
TCD4 - Overview: CD4 Count for Immune Monitoring, Blood
Serial monitoring of CD4 T cell count in patients who are HIV-positive Follow-up and diagnostic evaluation of primary cellular immunodeficiencies, including severe combined immunodeficiency T-cell immune monitoring following...
CDA7X - Overview: Drug Abuse Survey with Confirmation, Panel 9, Chain of Custody, Random, Urine
Detecting drug abuse involving alcohol, amphetamines, barbiturates, benzodiazepines, cocaine, methadone, opiates, phencyclidine, and tetrahydrocannabinol This chain-of-custody test is intended to be used in a setting where the test results...
IFG23 - Overview: Intact Fibroblast Growth Factor 23, Serum
Diagnosing and monitoring tumor induced osteomalacia Diagnosing X-linked hypophosphatemia or autosomal dominant hypophosphatemic rickets Diagnosing familial tumoral calcinosis with hyperphosphatemia
Second-tier testing of newborns with an abnormal primary screening result for mucopolysaccharidosis type I (MPS I, decreased alpha-L-iduronidase activity) where quantitation of the glycosaminoglycans dermatan and heparan sulfate is desired...
Second-tier testing of newborns with an abnormal primary screening result for mucopolysaccharidosis type II (MPS II, decreased iduronate-2-sulfatase) where quantitation of the glycosaminoglycans dermatan and heparan sulfate is desired in...
NGAML - Overview: MayoComplete Acute Myeloid Leukemia, 11-Gene Panel, Varies
Evaluation of acute myeloid leukemia using a focused 11-gene panel at the time of diagnosis, or possibly at the time of relapsed/refractory disease, to help guide classification and possible therapeutic approaches
PEWE - Overview: Porphyrins Evaluation, Washed Erythrocytes
Preferred test for analysis of erythrocyte porphyrins Establishing a biochemical diagnosis of erythropoietic protoporphyria, and X-linked dominant protoporphyria
PCMSP - Overview: Postmortem Inherited Congenital Myasthenia Syndrome Gene Panel, Tissue
Identifying variants within genes known to be associated with congenital myasthenic syndrome, allowing for predictive testing of at-risk family members Providing a comprehensive postmortem genetic evaluation in the setting of a congenital...
TGMS - Overview: Thyroglobulin Mass Spectrometry, Serum
Accurate measurement of serum thyroglobulin (Tg) in patients with known or suspected antithyroglobulin autoantibodies (TgAb) or heterophile antibodies (HAb) Reflex testing of samples with previously unknown TgAb status that prove TgAb...
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...