Test Category: Biochemistry
Investigation Name:Ammonia (NH3)

Alias or Abbreviation:NH3
Pathology Laboratory:Clinical Chemistry/Biochemistry
Requestable Seperately?Yes
Part of Profile:No
Units:umol/L
Minimum Sample Volume:1 ml
Expected Turnaround Time:1hr from receipt
Test Code:AMM
Sample Type:
Lithium Heparin Tube (Green top)Complex Reference Range:Sick or premature <150
<4 wks <100
4 wks – 16 years <40
Collection Conditions / Other Information:URGENT REQUESTS - Sample tube should be completely filled with blood, preferably placed on ice, and transported to the laboratory within 30mins.
Results are affected by haemolysis.
Referred to Another Laboratory?No
Site Sample Tested:All acute sites
Contact Number:01902 307 999 ext 85290