Carbon Dioxide

Test Code
310


CPT Codes
82374

Preferred Specimen
1 full unopened spun gel barrier tube


Minimum Volume
0.5 mL


Other Acceptable Specimens
Plasma collected in: Sodium heparin (green-top) tube or lithium heparin (green-top) tube


Instructions
Do not open tube


Transport Container
1 full unopened spun gel barrier tube


Transport Temperature
Room temperature


Specimen Stability
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: 31 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Anticoagulants other than heparin • Red-top tube (no gel)


Methodology
Spectrophotometry (SP)

Setup Schedule
Daily


Limitations
Proper specimen collection and processing are critical for reliable testing.


Clinical Significance
Measurements are used in the diagnosis and treatment of numerous potentially serious disorders associated with changes in body acid-base balance.


Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA
14225 Newbrook Drive
Chantilly, VA 20151-2228



Last Updated: November 6, 2024


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.