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HelpTest Code BLDGCA Blood Gases, Arterial, Cord Blood
Methodology
Electrochemical Ion-SensorsIncludes pH, pCO2, pO2, and bicarbonate (HCO3).
Used to assess acid-base status.
Note: For hospital patients only.
Performing Laboratory
St. Clair Hospital LaboratorySpecimen Requirements
Specimen must arrive within 1 hour of draw.
1 lithium heparin blood gas syringe (1 mL of lithium heparin cord blood). Syringe should be placed in wet ice slush immediately after drawing.
Note: 1. If baby is not listed in computer system, order on requisition using mother’s Address-O-Graph® but provide baby’s last name and sex (ie, “Smith, Baby Girl”).
2. Label specimen appropriately (arterial).
Reference Values
pH: 7.13-7.43 pH unitspCO2: 30-60 mm Hg
pO2: 5-25 mm Hg
HCO3: 12-39 mmol/L