Sign in →

Test Code NH3 Ammonia, Blood

Performing Laboratory

Lima Memorial Health System Laboratory

Specimen Requirements

Preferred:
Container/Tube: Green cap-yellow ring Top (Lithium Heparin Gel) tube
Minimum Volume: Full 
Collection Instructions: Specimen must arrive on wet ice as soon as possible after draw.
Also Acceptable:
Container/Tube: Green Top (Sodium Heparin) or Lavendar (EDTA) collected on ice

 

Note: If specimen collection occurs at off-site, specimen should be collected in EDTA, centrifuged, aliquoted (seperated from cells), and refrigerated. Once seperated, refrigerate 2-8°C during transport, test within 3 hours.

Reference Values

11-35 µmol/L

Specimen Stability

Should be tested ASAP.

 

Refrigerate:  If specimen collection occurs at off-site, specimen should be collected in EDTA, centrifuged, aliquoted (seperated from cells), and refrigerated. Once seperated, refrigerate 2-8°C during transport, test within 4 hours.
Frozen: Do not freeze

Day(s) Test Set Up

Monday through Sunday

Methodology

Timed Endpoint

Test Classification and CPT Coding

82140