Test directory: Thiopurine Metabolites

Ordering Code7794
Test NameThiopurine Metabolites
AliasThiopurine Metabolites, Whole Blood
6-Thioguanine (TG)
6-Methylmercaptopurine (MMP)
Purine antimetabolites
Preferred SpecimenWhole Blood
Preferred ContainerEDTA, K2 (Lavender)
Optimum Volume3 mL
Handling InstructionsSend original tube, do not aliquot
Transport RequirementsOahu: Ambient
Airline: Refrigerated
Specimen StabilityAmbient: 24 Hours
Refrigerated: 8 Days
Frozen: Not Stable
Rejection CriteriaClotted, Grossly hemolyzed, Hemolyzed
Avail. StatNO
Analytic Time7 Days
MethodologyLiquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reference Lab Mayo Medical Lab

Reference range(s)

The reference ranges listed below are valid on this date of November 21, 2024.
ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
6-Thioguanine NucleotidesALLnol/8x10(8)RESee report.
6-MethylmercaptopurineALLnol/8x10(8)RESee report.