Test Code LAB76 Blood Gas, Arterial
Specimen Requirement
Lithium Heparin Whole Blood
Adults: use Pro-Vent blood sampling syringe – 2 mL draw.
NICU: NICU staff collects 0.15 mL arterial sample via vamp line in a plain syringe.
Trained technician places sample in heparinized capillary tube for testing.
Specimen Stability
To maintain the integrity of the specimen, no bubbles are to be present.
Store sample at room temperature during transport to lab.
Sample should be analyzed within 30 minutes (per nursery manager)
Testing Schedule
Daily
Reference Range
pH: 7.350-7.450
PCO2: 35-45 mmHg
pO2: 80-105 mmHg
Testing Department
Chemistry
Method
Specific electrodes (Blood Gas Analyzer)
CPT Code
82803
Outpatient Turnaround Time
Not Applicable
Inpatient STAT Turnaround Time
Within 30 minutes of collection
Inpatient Routine Turnaround Time
Within 30 minutes of collection