Laboratory Test Detail

Last Updated: May 22, 2024 @ 9:13 am


Thiopurine Methyltransferase, RBC Activity

  • One Lavender (EDTA)

Also Acceptable:
  • One Green Top (Li Heparin)
  • One Green Top (Na Heparin)
  • One Pink Top (EDTA)
  • 5 mL (Min:3 mL) Whole blood . Submit Refrigerated. Submit in a Standard Transport Tube.
Rejection Criteria:
  • Frozen whole blood
  • Hemolyzed specimens
Stability:Ambient: 3 Hour(s); Refrigerated: 6 Day(s); Frozen: Unacceptable; Incubated: Unacceptable
  • Enzymatic
  • Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed:Monday, Wednesday, Friday
Reported:4-6 Day(s)
CPT Codes:
  • 82657
  • 92101 - TPMT ACTIVITY
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