Ammonia, Plasma

Specimen:

Collect

  • One Lavender (EDTA)

Also Acceptable:
  • One PPT White Top (EDTA)

Submit

  • 2 mL (Min:2 mL) Plasma in Standard Transport Tube. 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.

Stability

Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 Week(s); Incubated: Unacceptable

Methodology

  • Enzyme Immunoassay (EIA)

Performed

Varies

Reported

5-7 Day(s)

CPT Codes

  • 82140

Components

  • 94220 - AMMONIA, PLASMA
Last Updated: May 11, 2025 @ 9:13 am

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT