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Cord Venous Blood Gas

Test Code
CORDVBG


CPT Codes
82803

Includes
pH, pCO2, HCO3, pO2, BE


Preferred Specimen

Heparinized blood gas syringe



Minimum Volume
1 ml


Instructions

Avoid introducing air into syring as this may affect results.



Transport Container

Heparinized syringe



Transport Temperature
Room temperature or in slushed ice


Specimen Stability
30 minutes at room temperature, 1 hour in slushed ice


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted samples


Methodology
Potentiometric and Amperometric

Setup Schedule

Performed daily upon receipt



Report Available
Upon completion of analysis


Reference Range

pH= 7.20 - 7.44

pCO2= 30.4 - 37.2 mmHg

HCO3= 20 - 28 mmol/L

pO2= 14.1 - 43.4 mmHg

BE= -6 to 2



Clinical Significance

Cord gases are drawn from the umbilical cord during delivery to determine the oxygenation of newborns blood. The venous blood reflects the maternal-acid base status and placental function.





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.