Laboratory Test Detail

Last Updated: July 26, 2024 @ 9:13 am

92083

Thiopurine Metabolites by LC-MS/MS

Specimen:Collect:
  • One Lavender (EDTA)

Also Acceptable:
  • One Pink Top (EDTA)
Submit:
  • 4 mL (Min:3 mL) Whole blood in Lavender (EDTA). Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable:
  • 4 mL (Min:3 mL) Whole blood in Pink Top (EDTA). Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling:
  • Trough collection (within 1 hour prior to the next dose).
Rejection Criteria:
  • Frozen whole blood
  • Hemolyzed specimens
  • Lipemic Samples
  • Use of separator tubes
Stability:Ambient: 1 Day(s); Refrigerated: 7 Day(s); Frozen: Unacceptable; Incubated: Unacceptable
Methodology:
  • Quantitative Liquid Chromatography-Tendem Mass Spectrometry
Performed:Tuesday, Thursday, Saturday
Reported:2-6 Day(s)
CPT Codes:
  • 80299
Interpretive Data:Please see report for interpretive data.
Components:
  • 92084 - 6-THIOGUANINE
  • 92085 - 6-MMP
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