Carboxyhemoglobin

Orderable EAP code:

LAB00076

Billable EAP Codes:

80001707 x 1

CPT Codes:

82375 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 30 Minutes
Urgent: 30 Minutes
Extreme Emergency: 15 Minutes

Test Schedule:

24 hours, 7 days a week.

Units:

%

Critical Values:

Greater than 20%

Specimen Requirements:

1 mL blood in a heparinized syringe.

Pediatric Specimen Requirements:

0.6 mL blood in a 1.0 mL heparinized syringe.

Reference Range:

Non-smoker, adult: 0.5 to 1.5%

Smoker, adult: 1.5 to 5.0%
Heavy smoker, adult: As high as 10%

Newborn: As high as 10 to 12%, due to increased Hb turnover combined with a less developed respiratory system.

Comments:

Specimen stability: up to 2 hours on ice.

Synonyms:

Carbon Monoxide
CO
COHB