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HelpTest Code VBGELS ECMO Blood Gas, Venous On Pump
Useful For
Useful in determining venous oxygen saturation of the patient during certain procedures such as ECMO or heart surgery.
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
|---|---|---|---|---|---|
| No | Whole Blood | Balanced Heparin Syringe | 1 mL | 0.5 mL |
Collection/Processing Instructions
For use by ECMO or surgery ONLY. Specimen is obtained from the ECMO Pump. Specimen must arrive within 30 minutes of draw.
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 minutes |
| On Cold Pack | 45 minutes |
Rejection Criteria
| Clotted Sample | |
|---|---|
| Mislabeled/Unlabeled specimens | |
| Other anticoagulants such as EDTA, citrate, oxalate, and fluoride |
Test Components
Panel includes Blood Gas (pH, partial pressure of carbon dioxide pCO2, partial pressure of oxygen pO2, base excess BE, O2 Saturation, calculated HCO3)
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| Marshfield | EVpH: 7.32 - 7.42 |
| EVpCO2: 40 - 55 mmHg | |
| EVpO2: 30 - 50 | |
| EVHCO3: 22 - 28 mmol/L | |
| EVBE: -3.0 - 3.0 mmol/L | |
| EVO2ST: 60- 85% |
Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Sunday | < 2 hours | GEM 4000 |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 82803 | Gases, Blood |