Ammonia
Methodology
Ortho Vitros 7600, Colormetric, Bromphenol Blue
Performing Laboratory
Heart of the Rockies Regional Medical Center
Specimen Requirements
Specimen Type: Plasma, heparinized (Serum is unacceptable)
Container/Tube: Dark-green top
Specimen Volume: 1 mL
Collection Instructions: Preferrable collection is at HRRMC for immediate processing. Place tube on ice and take immediately to the laboratory for testing. Centrifuge and remove plasma within 15 minutes of collection. Must be stored on ice and ran within 3 hours of collection.
If COLLECTING OFF-SITE, place plain dark green top in ice immediately after draw, centrifuge immediately, then immediately remove plasma into plastic aliquot tube, mark aliquot as "Green top" then Immediately freeze aliquoted plasma. MUST arrive FROZEN to HRRMC Lab SAME DAY as drawn.
Specimen Transport Temperature
Refrigerated on ice
Reference Values
9-30 Umol/L
Day(s) Test Set Up
All
Test Classification and CPT Coding
82140