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HelpTest Code UABG Blood Gases, Umbilical Cord Arterial
Synonyms/Keywords
Cord Gas, Arterial
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Umbilical Cord Blood | Heparinized air-tight syringe | 1 mL | 0.3 mL |
Collection/Processing Instructions
Since the relative acidity and oxygenation status of venous and arterial cord gases are reversed relative to traditional arterial and venous samples, appropriate use of lab ordering codes is essential for physician interpretation. Cord blood gas is to be ordered under the baby's medical history number/name, under the OB provider.
Ice pack cooling is not required if the sample is analyzed within 30 minutes. If blood gas analysis will not be performed within 30 minutes after specimen collection, transport sample in a cold pack or prepare a container with ice water capable of maintaining refrigerated temperatures and large enough for immersion of the barrel of the capped/sealed syringe.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood | Ambient | 30 min |
| On Cold Pack | 45 min |
Rejection Criteria
Tuberculin syringes are not considered to be gas-tight and should be avoided
Test Components
Panel includes Blood Gas (pH, partial pressure of carbon dioxide pCO2, partial pressure of oxygen pO2, base excess BE)
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| All Performing Sites | No reference range for this specimen type. |
Marshfield Labs Performing Department
Marshfield Labs Urinalysis
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Beaver Dam | Monday through Sunday | Less than 2 hours | Gem 5000 |
| Weston | Monday through Sunday | Less than 2 hours | Radiometer |
| Eau Claire | Monday through Sunday | Less than 2 hours | Gem 4000 |
| Rice Lake | Monday through Sunday | Less than 2 hours | Gem 4000 |
| Marshfield | Monday through Sunday | Less than 2 hours | Gem 4000 |
| Minocqua | Monday through Sunday | Less than 2 hours | Gem 4000 |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82803 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Art. Blood Gas-Umbilical |