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#COCM: Carbon Monoxide Level (Carboxyhemoglobin) (Carbon Monoxide Study)

COMPONENTS
Name Method Reference Range Units
COHb 0.0-100.0 %

SPECIMEN REQUIREMENTS
No Type Volume Temperature Container Type Instructions
1 vacutainer or heparinized syringe 0.25-0.5 mL Vacutainer of heparinized blood gas syringe  

GENERAL INFORMATION
Setup Schedule Daily
Turn-Around Time <30 minutes
CPT Code 82375 82376
Notes Normal Values < 2% for non-smoker and < 5% for smoker

Sample may be collected in green topped vacutainer or heparinized blood gas syringe.
Performing Lab GBMC Arterial Blood Gas Lab
Test Performed Stat No
Clinical Utilities Test is performed to assess exposure to lethal carbon monoxide gas which is typically odorless, colorless and tasteless.

Normal levels may be as high as 9-10% in heavy smokers.

Collection Instructions
  1. Page covering RT prior to obtaining sample from a patient to inform RT of request for COHb study.
2. Do not shake sample.
3. Place sample on ice if analysis will be delayed.