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Carbon Dioxide, Plasma or Serum
Test CodeCO2
Alias/See Also
Serum Carbon Dioxide
Plasma Carbon Dioxide
Plasma Carbon Dioxide
CPT Codes
82374
Preferred Specimen
Submit only 1 of the following specimens: Plasma
Draw blood in a green-top (lithium heparin) tube. Spin specimen down and send 1 mL of plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube. Spin specimen down and send 1 mL of serum.
Note: 1. Indicate serum on request form.
2. Label specimen appropriately (serum).
Draw blood in a green-top (lithium heparin) tube. Spin specimen down and send 1 mL of plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a plain, red-top tube. Spin specimen down and send 1 mL of serum.
Note: 1. Indicate serum on request form.
2. Label specimen appropriately (serum).
Transport Temperature
Refrigerate
Methodology
Enzymatic
Setup Schedule
Monday through Sunday
Reference Range
22-30 mEq/L
Critical values: ≤10 mEq/L
Performed By
North Mississippi Medical Center Pathology Department
Performing Laboratory
NMMC Pathology Department