Blood Gas Arterial
Specimen Requirements
Specimen must arrive within 30 minutes of draw.
Specimen Type: Whole blood-Clotted blood is not acceptable.
Container/Tube: Heparinized blood gas syringe
Specimen Volume: 2 mL
Specimen Minimum Volume: 1 mL
Collection Instructions:
1. Draw arterial blood anaerobically.
2. Expel air bubbles, remove needle from syringe and cap-Air bubble is not acceptable.
3. Immediately place syringe on wet ice.
Stability
Analyze immediately after collection. Samples older than 20 minutes should be placed on ice.
Reference Range
pH Art: 7.35-7.45
pCO2 Art: 33-47 mmHg
pO2 Art: 80-100 mmHg
O2 Sat Art: 95-98%
HCO3 Art: reference range is not established.
Base Excess Art: reference range is not established.
CO2 Total Art: reference range is not established.
Alv-Art Gradient: reference range is not established.
Instrumentation
Radiometer ABL90 Flex
Methodology
Ion-Selective Electrode (ISE)
Test Schedule/Analytical Time/ Test Priority
Daily / Same day / Available STAT
CPT (s)
82803