Laboratory Test Information Guide

Details for Thiopurine Methyltransferase: Genotype

Test Name: Thiopurine Methyltransferase: Genotype
Alternate Name(s): TPMT Genotype
Laboratory: Core
Specimen Type: 4 mL Lavender EDTA Vacutainer tube
Collection Information: A minimum volume of 3 mL is required for testing.

Do not freeze specimen. Send specimen in original collection tube.

Note: This test is only available to gastroenterologists at SJH/LHSC. If requested by other physicians approval must be given by the Biochemist on-call.

Do not transfer to polypropylene transfer vial.
Requisition: GENERAL LABORATORY REQUISITION
Test Schedule: Referred out as required
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
21 days
Stat
N/A
 
Reference Range: Results interpreted on report
Effective Date: 2015-08-25
Revised Date:  
Critical Value:  
Interpretive Comments:  
Special Processing:  
Comments:  
Method of Analysis: PCR
Critical Information Required:  
Storage & Shipment: Please send on ice packs. Specimen must be received at the testing site within 7 days of collection. If your test order does not specify Genotyping (or use the correct test mnemonic) TPMT Activity will be analyzed.
System Codes: 
Cerner
TPMTG
 
Referred To: In-Common Laboratories

Questions? Comments? Contact Laura Gopaul