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37742: Thiopurine S-Methyltransferase (TPMT) Genotype Print View
TPMT Genotype      
Ethnicity      
Clinical Indication      
Referring Physician      
Physician's Phone Number      

PRIMARY
1 Whole Blood EDTA 5 (3) mL   Refrigerated - 8 Day(s)/Room Temperature - 8 Day(s)  
ALTERNATE
  Whole Blood ACD Sol B 5 (3) mL   Refrigerated - 8 Day(s)/Room Temperature - 8 Day(s)  
  WB EDTA Trace Metal   Room Temperature - 8 Day(s)/Refrigerated - 8 Day(s)  
  Sodium Heparin   Room Temperature - 8 Day(s)/Refrigerated - 8 Day(s)  
  Whole Blood ACD Sol A 5 (3) mL   Room Temperature - 8 Day(s)/Refrigerated - 8 Day(s)  
  Whole Bld Heparin Lithium   Room Temperature - 8 Day(s)/Refrigerated - 8 Day(s)  

This test detects common deficiency variants in the TPMT gene and therefore identifies individuals who are at risk of developing serious adverse effects when administered thiopurine drugs.
Setup Schedule
Wednesday, Friday

Reported (Analytical Time)
5 days

CPT Code
81401

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
METHODOLOGY: Polymerase Chain Reaction (PCR), Single Nucleotide Primer Extension LIMITATIONS: This test detects 95% of the mutations in the TPMT gene and thus not all intermediate or slow metabolizers will be identified. *The 2012 AMA CPT codebook contains Tier 1 and Tier 2 Molecular Pathology Procedures as well as Molecular Pathology Procedures to be coded by procedure rather than analyte. Please direct any questions regarding coding to the payor being billed.






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