- Test Name
- Ammonia
- Aliases
- AMON; AMM; Plasma Ammonia
- Provincial Mnemonic
- AMMPL
- LOINC Test Code
- 16362-6
- Description and Primary Use
- Excess ammonia can have a toxic effect on the central nervous system and clinical manifestations are typically neurological disturbances. Elevated ammonia may also be observed in severe liver failure, as may occur in Reye’s Syndrome, viral hepatitis or cirrhosis.
- Reorder interval
- Not yet defined
- TAT
- STAT
- Test Cost
- Not Available
- Tier
- 1 - General Availability
- Ordering Requirements (Restrictions / Conditions)
No Restrictions
- Required Consultations
- None
- Algorithms and Guidelines
None
- Special Patient Preparation
Avoid smoking prior to sampling; Avoid clenching of fist during collection
- Special Collection / Transport / Processing Requirements
GREEN; COLLECT ON ICE, SPIN AND REFER IMMEDIATELY; PLASMA ONLY; FOR REFERED IN SAMPLES COLLECT ON ICE,SPIN AND FREEZE IMMEDIATELY
- Criteria for Rejection
Please consult specimen stability guide Hemolysed samples should not be used; Do not use ammonium heparin.
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Select category 3 and 4 laboratory sites.
- Last Updated
- 26-Aug-19