Blood Gas, Arterial, Cord Blood

Test Code

CPT Codes

Preferred Specimen
1 mL whole blood in heparin blood gas syringe

Minimum Volume
0.5 mL whole blood

Other Acceptable Specimens
1 mL whole blood in Green top (Lithium Heparin) tube

Specimen must arrive within 1 hour of draw.
  • Cap syringe(s) tightly, remove any air bubbles. Send ambient.
  • If there is a delay in transport >30 minutes, send specimen on crushed ice.

Potentiometric, Modified Potentiometric, Calculation

Setup Schedule
Monday through Sunday; Continuously

Report Available
Same day

Reference Range
pH: 7.23 - 7.33
Critical values (automatic call-back): <7.20
pCO2 41 - 57 mm Hg
Base excess: -6.0 - -2.0

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.