Test Category: Biochemistry
Investigation Name:Carboxyhaemoglobin
Alias or Abbreviation:COHB
Pathology Laboratory:Clinical Chemistry/ Biochemistry
Requestable Seperately?No
Expected Turnaround Time:4hrs from receipt
Test Code:CHB
Sample Type:
Heparinised SyringeComplex Reference Range:Normal <2%
Levels up to 9% may be seen in smokers.
Collection Conditions / Other Information:A full Heparin blood gas preferred, or Li-heparin tube filled to the top.
Analyse on blood gas analyser
Referred to Another Laboratory?No
Site Sample Tested:All acute sites
Contact Number:01902 307 999 Ext 88266
