Test directory: Thiopurine Methyltransferase, RBC

Ordering Code4174
Test NameThiopurine Methyltransferase, RBC
AliasTPMT RBC
TPMT Enzyme
Preferred SpecimenWhole Blood
Preferred ContainerEDTA, K2 (Lavender)
Other Specimen/ContainerWhole Blood in Lithium Heparin (Green),
Whole Blood in Sodium Heparin (Green)
Optimum Volume5 mL
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: 3 Hours
Refrigerated: 6 Days
Frozen: Not Stable
Rejection CriteriaAmbient, Frozen, Gel barrier tube, Hemolyzed
Avail. StatNO
Analytic TimeUp to 8 Days
MethodologyEnzymatic/Quantitative Liquid Chromatography-Tandem
Mass Spectrometry
Reference Lab ARUP Laboratories

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Thiopurine Methyltransferase, RBCALLSee report.