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Thiopurine Methyltransferase, RBC Activity

Specimen:

Collect

  • One Lavender (EDTA)

Also Acceptable:
  • One Green Top (Li Heparin)
  • One Green Top (Na Heparin)
  • One Pink Top (EDTA)

Submit

  • 5 mL (Min:3 mL) Whole blood . Submit Refrigerated. Submit in a Standard Transport Tube.

Stability

Ambient: 3 Hour(s); Refrigerated: 6 Day(s); Frozen: Unacceptable; Incubated: Unacceptable

Methodology

  • Enzymatic
  • Quantitative Liquid Chromatography-Tandem Mass Spectrometry

Performed

Monday, Wednesday, Friday

Reported

4-6 Day(s)

CPT Codes

  • 84433

Components

  • 92101 - TPMT ACTIVITY
Last Updated: October 10, 2024 @ 9:13 am

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT