Test Directory

CO2 (Bicarbonate)

Loinc

Expected Turnaround

24 hours

Information

The bicarbonate content of serum or plasma is a significant indicator of electrolyte dispersion and anion deficit. Together with pH determination, bicarbonate measurements are used in the diagnosis and treatment of numerous potentially serious disorders associated with acid‑base imbalance in the respiratory and metabolic systems.

Collection Information

Methodology

PECP

Limitations

In very rare cases, gammopathy, in particular type IgM (Waldenström’s macroglobulinemia), may cause unreliable results.

Rejection Criteria

Specimen Stability

Refrigerated: 4 days

Alias

CO2 (Bicarbonate); Carbon Dioxide; Bicarbonate; CO2

Container Type

Serum, gel separator, SST

Minimum Volume

1 ML

Age Range

0 - 999

Sex

Generic

Units of Measure

mmol/L

Reference Range

22 mmol/L - 29 mmol/L

Panic Range