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HelpCatalog ID TPMT/NUDT15 TPMT and NUDT15 Genotyping
Additional Codes
CPOE: Ref TPMT and NUDT15
DOE: Ref TPMT/NUDT15
CPT Code
81335, 81306
Specimen
Lavender or pink EDTA tube, 3.0 mL whole blood (1.0 mL minimum), refrigerated
Rejection Criteria
Plasma, serum, specimens in heparin or contaminated with heparin, frozen specimen in glass collection tubes, room temperature >72 hours, insufficient quantity, unlabelled specimen
Interpretative Information
Genotype test to assess risk, due to genetics, for severe myelosuppression with standard dosing of thiopurine drugs. Use for individuals being considered for thiopurine therapy or who have had an adverse reaction to thiopurine therapy.
Performing Lab
ARUP Laboratories
Turn-Around-Time
5-10 days
Reference Values
No variants detected