| Test Name: |
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pCO2
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| Test Code(s): |
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PCO2 / HCPCO2
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| CPT Code(s): |
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82803
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| Test Description: |
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Included In: Blood Gases
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| Methodology: |
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Electrode
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| Request Form: |
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UWHC DOWNTIME Laboratory Request Form (UWH IPDOWNTIME, 4004202); Write in test if not on form.
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: Up to 30 minutes. All requests processed stat.
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Specimen Requirements
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| Specimen: |
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Arterial, venous, or capillary
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| Patient Preparation: |
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None. For venous samples on outpatients, send patient to UWHC Outpatient Phlebotomy to be drawn.
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| Collection Instructions: |
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Radiometer "PICO"® syringes must be free of bubbles and clots. Two full Radiometer capillaries free of air bubbles and clots are needed for capillary blood.
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| Collection Container: |
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Preferred: Radiometer PICO® syringe
Also Acceptable:
2 full Radiometer capillary tubes
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| Collection Volume: |
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Preferred: 1.5 mL
Pediatrics: 0.5 mL
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| Sample Analyzed: |
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Whole Blood
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| Volume Required: |
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Preferred: 1.5 mL
Pediatrics: 0.5 mL
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220) immediately. Specimen must arrive in the UWHC Core Lab within 30 minutes of collection.
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| Unacceptable Criteria: |
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Clotted specimens, specimens with air or specimens past stability time are not acceptable.
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| Stability: |
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Ambient: 1 hour
Frozen: Not acceptable
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Interpretation
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Reference Interval:
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Arterial specimen:
| Age |
mmHg |
| 0 days-23 months: |
27-41 |
| 24 months and up: |
34-46 |
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