Test Code AMMON Ammonia (NH3), Blood
Methodology
Enzymatic with Glutamate Dehydrogenase
Performing Laboratory
Decatur Morgan Hospital-Decatur Campus/Parkway Campus
Specimen Requirements
Specimen must arrive within 3 hours of draw.
Draw blood in a lavender-top (EDTA) tube(s), and send 2 mL of EDTA whole blood. Place on wet ice immediately after drawing. Forward unprocessed whole blood promptly.
Reference Values
Males: 16-60 µmol/L
Females: 11-51 µmol/L
Critical values (automatic call-back)
≤1 year: ≥150.0 µmol/L
>1year: ≥500.0 µmol/L
Test Classification and CPT Coding
82140