Laboratory Test Detail

Last Updated: October 1, 2022 @ 9:13 am

94220

Ammonia, Plasma

Specimen:Collect:
  • One Green Top (Li Heparin)

Also Acceptable:
  • One Green Top (Na Heparin)
Submit:
  • 2 mL (Min:0.3 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
Special Handling:
  • Critical Frozen
  • Collect on ice.
    Separate plasma from cells and freeze within 15 minutes of draw time.
    Separate specimens must be submitted when multiple tests are ordered.
Rejection Criteria:
  • Serum or blood.
    Non-Frozen specimens.
    Specimens containing oxalate or citrate.
Stability:Ambient: Unacceptable; Refrigerated: 2 Hour(s); Frozen: 3 Week(s); Incubated: Unacceptable
Methodology:
  • Enzymatic
Performed:Sun-Sat
Reported:2-4 Day(s)
CPT Codes:
  • 82140
Components:
  • 94220 - AMMONIA, PLASMA
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