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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