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 (Thiopurine Methyltransferase)
Myelosuppression
Imuran
Imuran Toxicity
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