pCO2, Arterial Blood or Venous Blood

CERNER / EPIC MNEMONIC: PCO2/A; PCO2/V
CPT CODE: 82805
DAYS PERFORMED: Specimen accepted daily, 24 hours
TURNAROUND TIME: 15 minutes
SPECIAL INSTRUCTIONS: Requisition must indicate source (ie, arterial). Deliver specimen immediately to the lab on ice.
CONTAINER TYPE:

Heparinized syringe, heparinized capillary tube

SPECIMEN REQUIREMENTS: Whole blood, arterial or venous
REJECTION CRITERIA: Clotted syringe, needle attached to the syringe, and air bubbles in the sample.
MINIMUM VOLUME: 0.3 mL whole blood
HANDLING INSTRUCTIONS: Keep specimen on ice.
REFERENCE RANGE: Venous: 1 day to 1 month: none established, 1 month to adult: male: 41-54 mm Hg, female: 38-51 mm Hg; arterial: 1 day to 1 month: none established, 1 month to adult: male: 35-48 mm Hg, female: 32-45 mm Hg