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Test Code 160 Carboxyhemoglobin

Additional Codes

ALAB: CARBOXY

PowerChart: Carboxy Hemoglobin

MA Cerner: Carboxyhemoglobin

Test Method

Photometry; Instrumentation Laboratory

Specimen Requirement

Whole blood in a syringe or a lithium heparin syringe.  Samples  collected in lithium heparin, sodium heparin or EDTA tubes are also acceptable.  Avoid exposure of the specimen to the atmosphere.

Additional Specimen Collection Information

Collect blood in a lithium heparinized plastic syringe.

Performance

Testing is performed Monday through Sunday.

Routine: Typically completed within 4 hours after the specimen arrives at the testing site.

STAT: Typically completed within 30 minutes after the specimen arrives at the testing site.

Reference Values

Carboxyhemoglobin: 8.5-10.5 mg/dL

Nonsmoker: ≤ 3.0%

Smoker: < 9.0%

  • Critical Value: ≥  20.0%

CPT Code Information

82375 Chemistry: Carboxyhemoglobin (Carbon Monoxide); Carboxyhemoglobin; quantitative

Useful For

Verifying carbon monoxide toxicity in cases of suspected exposure.

LOINC Code Information

20563-3 Carboxyhemoglobin/Hemoglobin.Total In Blood