Tests:Ammonia, Blood: Difference between revisions
Tests:Ammonia, Blood
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remove li-hep due to update from manufacturer that not stable frozen |
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|NH3 | |NH3 | ||
|- | |- | ||
| | |Availability | ||
|Monday - Sunday, testing routinely available out of hours | |Monday - Sunday, testing routinely available out of hours | ||
|- | |- | ||
| Line 28: | Line 28: | ||
==Specimen Requirements== | ==Specimen Requirements== | ||
|- | |- | ||
|Specimen | |Specimen | ||
|Plasma | |Plasma | ||
|- | |- | ||
|Preferrred | |Preferrred | ||
| | |EDTA <span style="background: #ba55d3"> Purple-Top </span> collected on ice | ||
|- | |- | ||
|Acceptable | |Acceptable | ||
| Line 43: | Line 40: | ||
|Sample not received on ice | |Sample not received on ice | ||
Capillary blood | Capillary blood | ||
Moderate or grossly haemolysed samples | |||
|- | |||
|Specimen Transportation | |||
|On ice, sample must be received at lab within 15 minutes of collection. | |||
|- | |- | ||
|Paediatric Requirements | |Paediatric Requirements | ||
|600uL <span style="background: #dcd0ff"> EDTA | |600uL paediatric <span style="background: #dcd0ff"> EDTA Pink top</span> collected on ice | ||
|- | |- | ||
! colspan="2" | | ! colspan="2" | | ||
==Aliquot Requirements== | ==Aliquot Requirements== | ||
|- | |- | ||
|Sample | |Sample | ||
|Plasma | |Plasma | ||
|- | |||
|Preferred Volume | |||
|0.5 mL | |||
|- | |- | ||
|Minimum Volume | |Minimum Volume | ||
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|- | |- | ||
|Test Method | |Test Method | ||
|Abbott Alinity | |Abbott Alinity CI analyser. Enzymatic method. | ||
|- | |- | ||
|Advanced Notice | |Advanced Notice | ||
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No fist clenching. | No fist clenching. | ||
|- | |- | ||
! colspan="2" | | ! colspan="2" | | ||
==Comments== | ==Comments== | ||
|- | |- | ||
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Please notify the laboratory if patient is on Sulfasalazine/Sulfapyridine medications as these may interfere with this method | Please notify the laboratory if patient is on Sulfasalazine/Sulfapyridine medications as these may interfere with this method | ||
|} | |} | ||
{{DocMeta | |||
| owner = Crossley1 | |||
| review_ping = | |||
}} | |||
Latest revision as of 14:27, 23 January 2026
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) |