Test Code LAB47 - Draw only @ Ammonia
Additional Codes
CPT Code: 82140
Performing Laboratory
TidalHealth Peninsula Regional - Core Laboratory: Chemistry
Specimen Requirements
Specimen must be analyzed within 30 minutes of draw.
Draw blood in a dark lavender tube. When drawing specimen, allow tube to fill completely. Do not uncap tube once specimen has been drawn. (Clotted specimen, hemolyzed specimen, or green-top [lithium heparin or sodium heparin] tube is not acceptable.) Tube should be placed on ice immediately after draw. Forward promptly to laboratory.
Lavender microtainers may be used to collect heel stick specimens from infants. Try to keep collection time under 5 minutes. Specimen must be full and put on ice immediately after collection.
Reference Values
0 up to 18 years: <51 umol/L
18 years and older (Female): 11 - 51 umol/L
18 years and older (Male): 16 - 60 umol/L
Pediatric Critical value (automatic call-back) <16 years old: ≥ 90 μmol/L
Additional Information
Available STAT