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Test Name:
Blood Gases, Arterial
- SBMF No:
23100 - Performance Lab Name:
Hospital Lab - Test Mnemonic:
ABG - ABN:
Not required - CPT Code:
82803 - LOINC Code:
2744-1; 2019-8; 2703-7; 1960-4; 2026-3; 3152-6 - Test Includes:
pH
PCO2
PO2
Carbon Dioxide (calculated)
Bicarbonate (calculated) - Also Known As:
ABG
Arterial, Blood Gases
Gases, Arterial - Also See:
23213 Blood Gases, Arterial, with Oxygen Saturation - Spec Type:
Whole blood, arterial - Spec Container:
Heparinized syringe - Pref Vol:
2.0 mL - Min Vol:
0.3 mL - Fasting:
No - Patient Prep:
Document whether patient is:
- On room air (no oxygen therapy at time of test)
- Receiving oxygen therapy (note mode and amount) - Spec Collect:
Follow approved collection procedure for arterial puncture or obtain sample from arterial line
Immediately expel any air bubbles from syringe
Mix well by rolling syringe between palms - Spec Store Transport:
Transport in ice slush - Spec Stability:
Preferred specimen is un-iced sample that can be tested within 30 minutes of collection
Blood gases are stable up to 1 hour in ice slush (ice and water mixture) - Spec Reject:
Not iced – greater than 30 minutes room temperature
Contains air or clots
Received more than 1 hour after collection - Methodology:
Ion-selective Electrode (ISE) - Use:
Evaluate respiratory function, lung disease, and acid-base balance - Reference Range:
Arterial: pH 7.37-7.44
PCO2: 31-45 mmHg
PO2: 80-110 mmHg
CO2 content: 21-30 mEq/L - Critical Low Value:
pH: 7.19
PCO2: 19 mmHg
PO2: 44 mmHg
CO2: 14 mEq/L - Critical High Value:
pH: 7.61
PCO2: 71 mmHg
CO2: 41 mEq/L - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
Routine: 1 hour
STAT: 20 minutes - Test Type:
GAS-LYTE
