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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{| class="wikitable" | {| class="wikitable" | ||
! colspan="2" | | ! colspan="2" | | ||
== | ==Overview== | ||
|- | |- | ||
|Department | |Department | ||
|Biochemistry | |Biochemistry | ||
|- | |- | ||
|Test Code | |Test Code | ||
|WAMM | |WAMM | ||
|- | |- | ||
|Synonyms | |Synonyms | ||
|NH3 | |NH3 | ||
|- | |||
|Availability | |||
|Monday - Sunday, testing routinely available out of hours | |||
|- | |- | ||
|Turnaround Time | |Turnaround Time | ||
| Line 20: | Line 23: | ||
|- | |- | ||
|Stability – Add test | |Stability – Add test | ||
|Cannot be added on | |Cannot be added on | ||
|- | |- | ||
! colspan="2" | | ! colspan="2" | | ||
== | ==Specimen Requirements== | ||
|- | |- | ||
|Specimen | |Specimen | ||
|Plasma | |Plasma | ||
|- | |- | ||
|Preferrred | |Preferrred | ||
| | |EDTA <span style="background: #ba55d3"> Purple-Top </span> collected on ice | ||
|- | |- | ||
|Acceptable | |Acceptable | ||
| | | | ||
|- | |||
|Unacceptable | |||
|Sample not received on ice | |||
Capillary blood | |||
Moderate or grossly haemolysed samples | |||
|- | |- | ||
|Specimen Transportation | |Specimen Transportation | ||
|On ice | |On ice, sample must be received at lab within 15 minutes of collection. | ||
|- | |- | ||
| | |Paediatric Requirements | ||
| 600uL | |600uL paediatric <span style="background: #dcd0ff"> EDTA Pink top</span> collected on ice | ||
|- | |- | ||
! colspan="2" | | ! colspan="2" | | ||
== | ==Aliquot Requirements== | ||
|- | |||
|Sample | |||
|Plasma | |||
|- | |- | ||
| | |Preferred Volume | ||
| | |0.5 mL | ||
|- | |- | ||
|Minimum Volume | |Minimum Volume | ||
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|- | |- | ||
! colspan="2" | | ! colspan="2" | | ||
== | ==Clinical Information== | ||
|- | |- | ||
|Reference Intervals | |Reference Intervals | ||
| | |Female: 11-51 umol/L | ||
Male: 16-60 umol/L | |||
|- | |- | ||
|Test Method | |Test Method | ||
|Abbott Alinity | |Abbott Alinity CI analyser. Enzymatic method. | ||
|- | |- | ||
|Advanced Notice | |Advanced Notice | ||
|Please notify Biochemistry extension 7881 | |Please notify Biochemistry extension 7881 | ||
|- | |- | ||
|Patient Preparation | |Patient Preparation | ||
|Ideally patient fasted >6 hours. No fist | |Ideally patient fasted >6 hours. | ||
No fist clenching. | |||
|- | |- | ||
! colspan="2" | | ! colspan="2" | | ||
== | ==Comments== | ||
|- | |- | ||
| colspan="2" |Specimen must be centrifuged at 4°C IMMEDIATELY after receipt. | | colspan="2" |Specimen must be centrifuged at 4°C IMMEDIATELY after receipt. | ||
| Line 74: | Line 88: | ||
False high values are obtained after muscular exercise. | 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 | 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) |