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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