Ammonia - Plasma Test | Austin Pathology

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Ammonia - Plasma

Alternate Names	NH3
Laboratory	Biochemistry
Specimen	Blood
Container	See collection instructions
Collection Instructions	Place tube on ice & send to laboratory immediately
Additional Collection Instructions	LABORATORY BASED COLLECTION ONLY. DEDICATED Lithium Heparin tube on ice is the preferred sample type. Ensure that the correct volume of blood is collected - DO NOT underfill. Shepparton: DEDICATED 4ml EDTA tube is the only acceptable specimen type at Shepparton Lab. Must be collected at lab based site only. Please fill tube with the required volume of blood, as exposure to air spuriously increases the level of ammonia. No other tests should be assigned to this tube.
Minimum Adult Volume	5mL
Minimum Paediatric Volume	1mL
Frequency	Daily
Reference Interval	As of 24/2/2020: Ammonia Reference Interval: ALL: 18 - 72 umol/L Source: Beckman Coulter

These PDF documents can be downloaded for your reference

Order of Draw (PDF)

Swab Collection Guide (PDF)

Pre-Transfusion Specimen Requirements (PDF)

Requirements for Pathology Service (PDF)

Test Code	AMM
Container ID	LHI, LH, EI, EW
Transport Instructions	Transport on ice
Laboratory Notes	Instructions for: Heidelberg Specimen Reception Specimen must be spun in a refrigerated centrifuge and aliquoted immediately. This aliquot needs to be given to Biochemistry immediately.