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BLOOD GAS, CO-OXIMETRY
Test CodeLAB3675
CPT Codes
82805
Preferred Specimen
Arterial or venous blood in Heparinized syringe
Minimum Volume
0.5 mL
Other Acceptable Specimens
Arterial or venous blood in Heparinized green top Tube
Instructions
Collection Instructions 1. Always record the respiratory conditions of the patient at the time of sampling including ventilator settings, F102, amount of O2 therapy. 2. Hold arterial puncture site with mild pressure for at least 3-5 minutes. Monitor for continued bleeding to prevent hematoma.
Transport Container
Heparinize syringe with lithium heparin. Green top heperanized tube
Transport Temperature
Sample does not require being placed on ice unless actual assay time of sample is greater than 20 minutes. Air bubbles must be expelled from sample syringe.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen must have patient label attached to sample/syringe
Setup Schedule
Set Up:Daily Report Available:<60 minutes
Reference Range
| Methemoglobin | % | 0.0-1.0 | |
| Carboxyhemoglobin | % | 0.0-3.0 | |
| Total Hemoglobin | g/dL | 13.0-25.0 | |
| Oxyhemoglobin | % | 96.0-100.0 |
Clinical Significance
Assesses ventilatory and acid-base status of the patient.
Performing Laboratory
GBMC Respiratory Therapy
