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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