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Thiopurine Methyltransferase (TPMT) Genotyping, 4 Variants

CPT Code(s): 81401
Specimen Required: Patient Preparation:
Collect:Lavender (EDTA), pink (K2EDTA), or yellow (ACD Solution A or B).
Specimen Preparation:Transport 3 mL whole blood. (Min: 1 mL)
Storage/Transport Temperature:Refrigerated.
Stability:Ambient: 72 hours; Refrigerated: 2 weeks; Frozen: 1 month.
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • 6-mercaptopurine6-MP6-TG6-thioguanineAZA toxicityAzathioprineS-adenosyl-L-methionine genotypeThioguanineThiopurineThiopurine S-methyltransferase genotypeTPMT geneticsTPMT mutation
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