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Test Compendium


Test Code

  • 6804

Test Synonym

  • Carboxyhemoglobin

Minimum Volume

  • 0.6 mL

Specimen Requirements

  • Whole Blood


  • Lavender Top Tube, Green Top Tube


  • Refrigerated

Turn Around Time

  • 3 days

CPT Codes

  • 82375
    *The CPT codes provided are based on AMA guidelines and are provided for informational purposes only. CPT coding is the responsibility of the billing entity. Please direct any questions regarding the CPT coding to the payer being billed.

Special Instructions

  • Lavender-top (EDTA) tube or green-top (heparin) tube; 7 mL WHOLE BLOOD submit original FULL, UNOPENED tube. Refrigerate immediately after collection. Do not remove cap.

Additional Information

  • Sampling time is end of shift for industrial exposure monitoring. Analytes with timing end of shift (meaning the last two hours of exposure) are eliminated rapidly with a half-life less than five hours. Such compounds do not accumulate in the body and, therefore, their timing is critical only in relation to the exposure period.

Specimen Stability

  • Refrigerated 28 days