Tests:Ammonia, Blood: Difference between revisions

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Tests:Ammonia, Blood
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No fist clenching. 
No fist clenching. 
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==Comments==
==Comments==
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Revision as of 16:48, 11 March 2025


Overview

Department Biochemistry
Test Code WAMM
Synonyms NH3 
Test Availability Monday - Sunday, testing routinely available out of hours
Turnaround Time 3 hours
Stability – Add test Cannot be added on

Specimen Requirements

Specimen Type Plasma
Specimen Transportation On ice, sample must be received at lab within 15 minutes of collection.      
Preferrred 4 mL EDTA (K2E) Purple-Top
Acceptable
Unacceptable Sample not received on ice

Capillary blood Highly icteric samples Moderate haemolysis

Paediatric Requirements 600uL EDTA Microtainer

Aliquot Requirements

Sample Type Plasma
Preferred Volume
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 C. 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