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Blood Gas, Cord

Additional Codes

BLOOD GAS, CORD ARTERIAL LAB4999
BLOOD GAS, CORD VENOUS LAB4998

Performing Laboratory

MBMC Main Laboratory

Methodology

Amperometric and Potentiometric

Specimen Requirements

Specimen Type: Whole blood

Container/Tube: Lithium heparin syringe

Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL

Additional Information: Syringe should be placed on ice immediately after draw to prevent gross changes in values by continued metabolism of RBCs and especially WBCs.

Specimen Transport Temperature

On wet ice

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
Within 1 hour

Reference Values

ARTERIAL

Arterial reference ranges (age:  >1 day):

pH = 7.35-7.45

pCO2 = 32.48 mmHg

pO2 = 83-108 mmHg

HCO3 (calc) = 20-30 mmol/L

 

VENOUS

No reference ranges established 

 

Critical values (automatic call-back): 

pH:  <7.1

Base Excess:  < -12.0  

Test Classification and CPT Coding

Test Classification:

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.

CPT Code:

82803