Ammonia, Plasma

Test Code

AMM

CPT Codes
82140

Preferred Specimen

Tube must be on ice and analyzed within 3 hours of draw. Draw blood in a green-top (lithium heparin) tube. Spin specimen down within 15 minutes of draw, and send 1 mL of plasma.

Transport Temperature

Refrigerate ≤3 hours/Frozen

Methodology
Reflection Density

Setup Schedule

Monday through Sunday

Reference Range

9-33 µmol/L

Performed By
North Mississippi Medical Center Pathology Department

Performing Laboratory
NMMC Pathology Department

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.