Test Code COHGB Carbon Monoxide (Carboxyhemoglobin)

Specimen Type

Freshly collected Lithium Heparin or Sodium Heparin whole blood ONLY

Specimen Volume

Heparinized tube at least half full

Specimen Stability

14 days Refrigerated or Ambient

Reject

Submitted in red top, or other anticoagulant not mentioned here
Submitted in SST or other tubes containing gel separator
Large Clots present
> 25% Air contamination
Tube is less than half full

Performing Laboratory

Great Plains Health