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Carbon Dioxide (CO2)

Message
This test is available STAT.
It may be ordered individually or as part of the electrolyte, basic, metabolic or comprehensive panels
Performed in the Chemistry laboratory x5820
10.2018


Test Code
CO2


Alias/See Also
Bicarbonate


CPT Codes
82374

Preferred Specimen
Plasma from a green top (PST) tube


Minimum Volume
1 mL


Instructions
Centrifuge within 2 hours of collection


Transport Container
Green Top (PST) tube


Transport Temperature
Room temperature


Specimen Stability
2 - 8 oC: 7 days


Methodology
Phospho(enol)pyruvate (PEP) Carboxylase

Setup Schedule
This assay is performed 24 hours per day, 7 days per week


Reference Range
20 - 30 mEq/L

Critical Alert Value: < 10 or > 40 mEq/L


Clinical Significance
This test is used in the diagnosis and treatment of disorders associated with changes in body acid-base balance




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.