Test Code COHB Carboxyhemoglobin, Blood
Performing Laboratory
North Ottawa Community Hospital
Specimen Requirements
Specimen Type: Whole blood
Container/Tube: Lithium Heparin green top (dark green cap)
Specimen Volume: Full tube
Collection Instruction:
1. Send specimen in original tube.
2. Tube must be completely filled.
3. Immediately deliver to Lab.
Reference Values
0.5%-2.5%
Day(s) Test Set Up
Daily
Methodology
Optical Absorbance
Specimen Transport Temperature
Room Temperature
-Prompt delivery to Lab
Test Classification and CPT Coding
82375