Test Code BGNV Blood Gases, Neonatal, Venous Blood
Methodology
Electrochemical Ion-Sensors/Co-OximetryIncludes pH; pCO2; pO2; bicarbonate (HCO3); hemoglobin (Hgb), total; measured O2 saturation (SO2); oxyhemoglobin (FO2 Hb); and O2 content.
Used to assess acid-base status.
Performing Laboratory
St. Clair Hospital LaboratorySpecimen Requirements
2 heparinized blood gas capillary tubes. Tubes should be placed in wet ice slush immediately after draw.Reference Values
pH: 7.32-7.43 pH unitspCO2: 38-42 mm Hg
pO2: 38-50 mm Hg
HCO3: 19-27 mmol/L
O2 content: no established reference values
FO2 Hb: no established reference values
Hgb, TOTAL
0-1 week: 15.0-22.5 g/dL
1 week-1 month: 15.4-20.5 g/dL
>1 month: 10.7-17.1 g/dL
SO2: no established reference values