Blood Gas Venous
Specimen Requirements
Specimen Type: Whole blood-Clotted blood is not acceptable.
Container/Tube: Dark-green top or light-green top (lithium heparin)
Specimen Volume: 2 mL
Collection Instructions:
1. Expel air bubbles and cap-Air bubble is not acceptable.
2. Immediately place tube on wet ice.
3. Do NOT spin or open tube until testing is performed.
Stability
Analyze immediately after collection. Samples older than 20 minutes should be placed on ice.
Reference Range
pH: 7.32-7.43
pCO2: 33-47 mmHg
CO2 Total: no reference range established
Base Excess: no reference range established
Instrumentation
Radiometer ABL90 Flex
Methodology
Ion-Selective Electrode (ISE)
Test Schedule/Analytical Time/ Test Priority
Daily / Same day / Available STAT
CPT (s)
82803