CARBOXYHEMOGLOBIN

Mnemonic

CO

Synonym

Carbon Monoxide, CO

Specimen Collection Requirements

Collect

Whole Blood collected in a heparinized syringe.

Whole Blood collected in Heparinized vacutainer tube with no separator gel.

Handling

Collect specimen anaerobically. Keep tube capped.

Preferred Volume

3.0 mL

Minimum Volume

1.0 mL

Transport

Unopened Refrigerated (2-8°C) or room temperature

Rejection Criteria

Specimens collected in tubes with benzalkonium heparin, EDTA, citrate, oxalate, fluoride or in plasma separator tubes

Stability

Ambient (20-25°C): 1 week; Refrigerated (2-8°C): 1 week; Frozen (at or below -20°C): Unacceptable

Testing Information

Performed

7 days/week

Method

Spectrophotometry

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

Arterial/Venous Non-smokers: 0.5-1.5%
Average smokers: 1.5-5.0%
Heavy smokers: 8.0-9.0%

Toxic Levels

>20% of total hemoglobin

CPT Codes

82375

Last Updated: Thursday, January 5, 2017 03:42:02 AM