Arterial Blood Gas, Blood

Message

Testing performed in the CoxHealth Respiratory Department

Test Code

CPT Codes
82803-Cord blood gas; 82805-Blood gas with O2 saturation

Preferred Specimen

Submit only 1 of the following specimens:

Arterial
Container/Tube: Preheparinized blood gas syringe
Specimen Volume: 3 mL of whole blood
Collection Instructions: Avoid exposure of specimen to atmosphere.

Capillary
Container/Tube: Preheparinized capillary blood gas tube
Specimen Volume: Full tube of blood
Collection Instructions: Avoid exposure of specimen to atmosphere.

Cord Blood Specimen obtained by nursing personnel.

Note: Label specimen appropriately arterial or venous cord blood.

Transport Temperature

Refrigerate

Methodology
Electrochemistry

Reference Range

H+ 44-35 mmol/L
pH 7.36-7.46 Critical values (automatic call-back): <7.30 or >7.60
pCO2 32-45 mm Hg
pO2 75-95 mm Hg C ritical value (automatic call-back): >50 mm Hg in conjunction with a pH of 7.35
HCO3 21-29 mEq/L
BUFFER BASE ±5
O2 SATURATION 94-98%
O2 HEMOGLOBIN 94-98%

INTENSIVE CARE NURSERY (ICN)
pH Critical values (automatic call-back): <7.25 or >7.60
pO2 Critical values (automatic call-back): <45 mm Hg (catheter); <30 mm Hg (heelstick); or >100 mm Hg
pCO2 Critical values (automatic call-back): <20 mm Hg or >65 mm Hg

Clinical Significance

Includes H+, pH, pCO2, pO2, HCO3, buffer base, O2 saturation, and O2 hemoglobin.

Performed By
CoxHealth

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.