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HelpTest Code COHGB UMMC Carboxyhemoglobin, Whole Blood
Specimen Volume
Varies
Preferred Specimen
Dark Green (Sodium Heparin), transported on ice
Specimen Handling Instructions
DO NOT open tube.
Transport
Routine courier pick-up
Cutoff Time
None
Department
Chemistry
Methodology
Spectrophotometry
Stat Turn-around Time
30 Minutes
Routine Turn-around Time
1 Day
Reference Ranges
Non-smokers: 0.5-1.5 % Smoker’s range: 4-9% Critical range: >20% Headache/dizziness: 10-30% Coma: 50-60% Death: >60%