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Test Code LABGASCV Venous Blood Gas, Umbilical Cord

Synonym

  • GASCV

Profile Information

Reporting Name Available Separately Always Reported
pH, Cord Blood Venous No Yes
pCO2, Cord Blood Venous No Yes
pO2, Cord Blood Venous No Yes
HCO3, Cord Blood Venous No Yes
O2 Saturation, Cord Blood Venous No Yes
Base Excess, Cord Blood Venous No Yes

Specimen Required

Preferred Container/Tube: Dry Lithium Heparin Syringe
Acceptable Container/Tube: Dry Lithium Heparin Syringe
Specimen Volume: Full syringe
Specimen Minimum Volume: 1 mL

Specimen Stability Information

Ambient: 30 minutes

Rejected Due To

  • Unacceptable container type
  • Quantity not sufficient
  • Clotted specimens
  • Received >30 minutes from collection time

Reference Values

pH, Cord Blood Venous
7.30-7.40

 

pCO2, Cord Blood Venous
33-44 mm Hg

 

pO2, Cord Blood Venous

23-35 mm Hg

 

HCO3, Cord Blood Venous
16-25 mmol/L

 

O2 Saturation, Cord Blood Venous
16-83 %

 

Base Excess, Cord Blood Venous

-2.0-2.0 mmol/L

Method Description

pO2: Amperometry

pH, pCO2: Potentiometry

Base: Calculation of the expression that approximates the amount of acid or base required to titrate one liter of blood back to a normal pH of 7.40

HCO3: Calculation

sO2: Cooximetry

Performing Lab

Clinical Lab UH

Day(s) Performed

Monday through Sunday

Reporting Name

Venous Blood Gas, Umbilical Cord

CPT Code Information

82803

LOINC Code Information

28647-6
28645-0
28649-2
1959-6
2713-6
11555-0