Ammonia, Blood
Tests:Ammonia, Blood
Overview | |
|---|---|
| Department | Biochemistry |
| Test Code | WAMM |
| Synonyms | NH3 |
| Availability | Monday - Sunday, testing routinely available out of hours |
| Turnaround Time | 3 hours |
| Stability – Add test | Cannot be added on |
Specimen Requirements | |
| Specimen | Plasma |
| Preferrred | EDTA Purple-Top collected on ice |
| Acceptable | |
| Unacceptable | Sample not received on ice
Capillary blood Moderate or grossly haemolysed samples |
| Specimen Transportation | On ice, sample must be received at lab within 15 minutes of collection. |
| Paediatric Requirements | 600uL paediatric EDTA Pink top collected on ice |
Aliquot Requirements | |
| Sample | Plasma |
| Preferred Volume | 0.5 mL |
| Minimum Volume | 200 uL |
| Aliquot Transportation | Frozen |
Clinical Information | |
| Reference Intervals | Female: 11-51 umol/L
Male: 16-60 umol/L |
| Test Method | Abbott Alinity CI analyser. Enzymatic method. |
| Advanced Notice | Please notify Biochemistry extension 7881 |
| Patient Preparation | Ideally patient fasted >6 hours.
No fist clenching. |
Comments | |
| Specimen must be centrifuged at 4°C IMMEDIATELY after receipt.
False high values are obtained after muscular exercise. Please notify the laboratory if patient is on Sulfasalazine/Sulfapyridine medications as these may interfere with this method | |
| Owner | Clair Crossley (Crossley1) |
|---|---|
| Last reviewed | 23.01.2026 |
| Next review | 23.01.2027 (OK) |