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Gases, Venous

Centralized Core Laboratory - : Chemistry

Test ID :
Test Workstation :
Specimen Type:
Tube Type:
Heparinized syringe or Green top (lithium heparin) macrotainer. NO GEL SEPARATOR TUBES.
Collection Volume:
0.5 mL Heparinized syringe; 4 mL Green top (lithium heparin) tube - must be full
Minimum Volume:
0.5 mL syringe; 1.5 mL macrotainer.
Preferred Volume:
1 mL syringe; 3 mL macrotainer.
Cause for Rejection:
Clotted, air bubbles, tubes with gel separator.
Room Temperature
Daily, 24 hours; STAT
Ion selective electrode/Calculations
Special Instructions:
Air bubbles should be expelled from the syringe. Notify lab if patient's temperature is other than 37C to correct results (temperature dependent). Deliver to lab immediately at room temperature.
30 minutes
Additional Info:
Reference range is available on patient report
CPT Code:
Panel Includes:
Temperature, Hemoglobin, pH, pCO2, pO2, TCO2, O2 Saturation, O2 Hemoglobin, Std. Base Excess
Venous Gases Venous Blood Gases

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