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Bicarbonate
MessageBicarbonate measurements are used in the diagnosis and treatment of numerous potentially serious disorders associated with changes in body acid-base balance.
Test Code
CO2
Alias/See Also
LAB3000050
CO2
CO2
CPT Codes
82374
Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)
Minimum Volume
0.5 mL serum
Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)
2.0 mL plasma collected in a light green lithium heparin plasma separator tube (PST)
2.0 mL plasma collected in a light green lithium heparin plasma separator tube (PST)
Specimen Stability
Once separated from cells, bicarbonate in serum or plasma is stable for 24 hours when stored refrigerated (2 - 8oC) and protected from exposure to air.
Reference Range
| Sex | Age | Reference Range |
|---|---|---|
| M/F | 0 - 150 years | 21 - 31 mmol/L |
Performing Laboratory
Penn Medicine Lancaster General Health
