TPMT Genotype
2002573
Ordering Recommendation
Aids in detecting individuals at high risk for myelosuppression when exposed to standard dose of thiopurines.
Mnemonic
TPMT GENO
Methodology
Qualitative Polymerase Chain Reaction
Performed
Varies
Reported
3-5 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Lavender (EDTA).  
Specimen Preparation
Transport 5 mL whole blood. (Min: 2 mL)  
Storage/Transport Temperature
Refrigerated. Also acceptable: Room temperature  
Unacceptable Conditions
  
Remarks
  
Stability
Ambient: 8 days; Refrigerated: 1 month; Frozen: Unacceptable  
Reference Interval
By report  
Interpretive Data
 
Note
 
CPT Code(s)
81401
Components
Component Test Code*Component Chart NameLOINC
2002574TPMT Genotype41048-0
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Myelotoxicity (TPMT Genotype)
  • S-adenosyl-L-methionine (TPMT Genotype)
  • Thiopurine S-methyltransferase (TPMT Genotype)
  • TPMT Biochemical Assay (TPMT Genotype)
  • TPMT Genetics (TPMT Genotype)

Performed at Prometheus