Blood Gases, Cord - Arterial or Venous
Orderable EAP code:
LAB101853 (Arterial), LAB101854 (Venous)
Billable EAP Codes:
80001725 x 1
CPT Codes:
82805 x 1
Lab Section:
Core Lab
Turnaround Time:
Routine: 30 minutes
Urgent: 30 minutes
Extreme Emergency: 15 minutes
Test Schedule:
24 hours, 7 days a week.
Critical Values:
Arterial:
pH: Less than 7.1
PCO2: Greater than 70 mmHg
Venous:
pH: Less than 7.2
PCO2: Greater than 55 mmHg
Specimen Requirements:
1 mL of cord blood in a 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:
| Component | Venous Cord Blood | Arterial Cord Blood |
| pH | 7.21 to 7.45 | 7.10 to 7.38 |
| PCO2 | 27 to 55mmHg | 33 to 73mmHg |
| PO2 | 14 to 44mmHg | 5 to 32 mmHg |
| BaseExcess | No range has been established | -8 to 1 |
| HCO3- | 12 to 29 | 17 to 27 |
| tCO2 | No range has been established | No range has been established |
| O2Sat | No range has been established | No range has been established |
Comments:
Deliver to lab immediately. For manual transport, deliver on ice.