Carbon Monoxide, Blood

Test Code

CO - NOCO

CPT Codes
82375

Preferred Specimen

2 mL whole blood in Green top (Lithium Heparin)

Minimum Volume

1 mL

Other Acceptable Specimens

2 mL whole blood in heparin blood gas syringe

Instructions

Specimen must arrive within 1 hour of draw.

Cap syringe tightly, remove any air bubbles.
If there is a delay in transport > 30 minutes, send specimen on crushed ice.

Methodology
Spectrophotometry, Calculation

Setup Schedule

Monday through Sunday; Continuously

Report Available

Same day

Reference Range

0.5-1.5% of total hemoglobin
Critical value (automatic call-back): >20.0%
Interpretation:

0-1% Rural non-smokers
1-2% Urban, non-smokers
5-10% Smokers
10-12% Newborn
>25% Acute toxicity

Symptoms:

>10% Dizziness, headache, dyspnea, impaired judgement
>30% Nausea, vomiting, syncope, tachycard
>50% Coma, respiratory failure, death

Performing Laboratory
Banner Fort Collins Medical Center Laboratory
Mckee Medical Center Laboratory
North Colorado Medical Center Laboratory

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.