Jun 6, 2016




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Blood Gas


pCO2 (HCPCO2) Blood Gas Lab Test

Name: pCO2

Test Name: pCO2

Health Link Test Code: HCPCO2

LIS Test Code: PCO2

CPT Code(s): 82803

Included In: Blood Gases

Methodology: Electrode

Days Performed: Daily, 24 hours.

Stat In-Lab Turnaround Time: Less than 30 minutes.

Patient Preparation:

For venous samples on outpatients, send patient to UWHC Outpatient Phlebotomy to be drawn.

Specimen: Arterial, venous, or capillary

Collection Container: Radiometer PICO® syringe

Also Acceptable: 2 full Radiometer capillary tubes

Collection Instructions:

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.

Collection Volume: 1.5 mL

Pediatric Collection Volume: 0.5 mL

Stability Ambient:

30 minutes

Stability Frozen:

Not acceptable

Sample Analyzed: Whole Blood

Testing Volume: 1.5 mL

Pediatric Testing Volume: 0.5 mL

Specimen Transport:

Transport specimen to UWHC Hospital Laboratory immediately. Assure specimen receipt in the lab is within 15 minutes of collection.

Unacceptable Criteria:

Clotted specimens, specimens with air or specimens past stability time are not acceptable.



Arterial specimen:  
 Age  mmHg
 0 days-23 months: 27-41 
 24 months and up: 34-46 

Interpretation Type: Reference Interval