Laboratory Test Detail

Last Updated: November 30, 2021 @ 10:13 am


Ammonia, Plasma

  • One Green Top (Li Heparin)

Also Acceptable:
  • One Green Top (Na Heparin)
  • One Lavender (EDTA)
  • One Pink Top (EDTA)
  • 1 mL (Min:0.5 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
Special Handling:
  • Critical Frozen
  • Draw into chilled tube, keep on ice until spun. Separate and Freeze plasma within 30 minutes. Keep tightly stoppered except during separation. Specimen can only be thawed once before testing.
    Fill tube completely
Rejection Criteria:
  • Hemolyzed specimens
Stability:Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 24 Hour(s); Incubated: Unacceptable
  • Direct Enzymatic
  • Kinetic
Reported:1-3 Day(s)
CPT Codes:
  • 82140
Interpretive Data:General Reference Range : 11-35 umol/L
  • 2033 - AMMONIA, PLASMA
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