Blood Gases, Arterial
Orderable EAP code:
Billable EAP Codes:
CPT Codes:
Lab Section:
Includes:
pH, pC02, p02, HC03, Total C02
Turnaround Time:
Routine: 30 minutes
Urgent: 30 minutes
Extreme Emergency: 15 minutes
Test Schedule:
24 hours, 7 days a week.
Specimen Requirements:
1 mL blood in an arterial heparinized syringe.
Stability: Whole blood up to 30 minutes at room temperature, and up to 1 hour on ice.
Pediatric Specimen Requirements:
0.3 mL in a 1 mL heparinized syringe. Deliver to lab immediately.
Reference Range:
Reference Range |
Critical Limits |
|
PH: |
||
0 to 2 months |
7.30 to 7.50 |
Less than or equal to 7.10 |
Over 2 months |
7.37 to 7.44 |
|
PCO2: |
||
0 to 2 months |
30 to 65 mmHg |
|
Over 2 months |
32 to 43 mmHg |
|
PO2: |
||
0 to 2 months |
50 to 75 mmhg |
|
2 months to 40 years |
83 to 108 mmhg |
|
Over 40 years |
72 to 104 mmHg |
|
HC03: |
||
No age limit |
21 to 28 mmol/L |
|
Total CO2: |
||
No age limit |
22 to 28 mmol/L |
|
PaO2/FIO2Ratio: |
||
No age limit |
Greater than 300 mmhg |
|
Base Excess: |
||
No age limit |
-2 to 2 |
|
O2Sat: |
||
0 to 1 month |
40 to 90% |
|
Comments:
Deliver to lab immediately. For manual transport deliver on ice.
Synonyms:
ABG
CO2 Total, whole blood
Carbon Dioxide, whole blood
pCO2
pO2