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Carboxyhemoglobin Quantitation, Whole Blood by Co-Oximetry
2005757
Ordering Recommendation

Use to diagnose increased carbon monoxide levels and its poisoning.

Mnemonic
CARBOXY HB
Methodology
Spectrophotometry
Performed
Varies
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Time SensitiveTime Sensitive
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Green (sodium or lithium heparin). Do not collect by finger stick or heel stick. Collect Sunday-Thursday only. 
Specimen Preparation
Keep specimen anaerobic; do not remove cap from collection tube. Refrigerate within 30 minutes after collection. Transport 5 mL whole blood. (Min: 0.5 mL) Specimen should be received within 24 hours of collection. 
Storage/Transport Temperature
Refrigerated. Separate specimens must be submitted when multiple tests are ordered. Ship Sunday- Thursday only. 
Unacceptable Conditions
Specimens collected in EDTA tubes or not anaerobically. Specimens that have been opened or exposed to room air. Frozen or room temperature specimens. Specimens containing air bubbles or clots. 
Remarks
 
Stability
Ambient: Unacceptable; Refrigerate: 72 hours; Frozen: Unacceptable 
Reference Interval
Effective February 21, 2011

0.0-2.0 percent
Interpretive Data
Individuals who smoke typically demonstrate higher Carboxyhemoglobin values than non-smokers.

Non-smokers0-2.0 percent
1-2 packs per day0-5.0 percent
3-4 packs per day0-9.0 percent

Note
CPT Code(s)
82375
Components
Component Test Code*Component Chart NameLOINC
2005759Carboxyhemoglobin Quantitation20563-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Carbon monoxide
  • Co-ox
  • Co-oximetry
  • COHb concentration
  • COHb levels
  • COHb percent
  • COHb%