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Test Code ABG-C Arterial Blood Gases, Cord Blood

Performing Laboratory

North Ottawa Community Hospital

Specimen Requirements

Specimen Type: Whole blood

Container/Tube: Lithium heparin blood gas syringe

Specimen Volume: 2 mL

Collection Instruction:
1. Draw arterial cord blood in syringe.

2. Place syringe in wet ice immediately after draw.

Reference Values

pH

7.15-7.43

Critical value (automatic call-back): <7.11

pCO2

34-78 mm Hg

pO2

3-40 mm Hg

HCO3

21-29 mmol/L

SO2

0%-17%

TCO2

22-32 mmol/L

% CO Hgb

0.7%-5.5%

% MET Hgb

0.5%-1.4%

O2 Hgb

0%-80%

BASE EXCESS

-7 to +2

Day(s) Test Set Up

Daily

Methodology

Includes pH, pCO2, pO2, HCO3, SO2, TCO2, % CO Hgb, % MET Hgb, O2 Hgb, and base excess.

Specimen Transport Temperature

On wet ice

Test Classification and CPT Coding

82805