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Test ID: TPMT    
Thiopurine Methyltransferase (TPMT), Erythrocytes

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.

Conditional

Useful For Suggests clinical disorders or settings where the test may be helpful

Detection of individuals with low thiopurine methyltransferase activity who are at risk for excessive myelosuppression or severe hematopoietic toxicity when taking azathioprine (Imuran) or 6-mercaptopurine (Purinethol)

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

Method Name A short description of the method used to perform the test

Enzymatic End point/Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Thiopurine Methyltransferase, RBC

Aliases Lists additional common names for a test, as an aid in searching

Myelotoxicity
TPMT (Thiopurine Methyltransferase)
Myelosuppression
Imuran
Imuran Toxicity
TPMT Phenotype