Test Code COHB Carboxyhemoglobin, Blood
Performing Laboratory
ChristianaCare:
- Newark Campus
- Wilmington Campus
Methodology
Co-Oximetry
Specimen Requirements
Specimen must be delivered to laboratory immediately after draw.
Container/Tube: Dry (lithium heparin) blood gas syringe
Specimen: Full tube
Collection Instructions:
Note: Label syringe with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, or financial number. Date and time of draw, collector’s initials, and type of specimen are also required.
Reference Values
Non-smoker: <3.0%
Heavy smoker: <9.0%
Day(s) Test Set Up
Monday through Sunday
Routine Turnaround Time: 30 minutes
STAT Turnaround Time: 30 minutes