Test Code LAB55 CO2 TOTAL
Additional Codes
CPT Code: 82374
Methodology
This test is also included in Basic Metabolic Panel (LAB15); Comprehensive Metabolic Panel (LAB17); Electrolytes Panel (LAB16); and Renal Function Panel (LAB19).
If chloride, potassium, and sodium are also requested, order Electrolytes Panel (LAB16) instead of individual tests.
Performing Laboratory
Peninsula Regional Medical Center - Chemistry
Specimen Requirements
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (lithium heparin) tube. Spin down
and send 2 mL of lithium heparin plasma.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Draw blood in a gold-top serum gel tube. Spin down and send 2
mL of serum.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Reference Values
22-32 mEq/L
Critical values (automatic call-back)
>6 months: <10 mEq/L or >45 mEq/L
<6 months: <15 mEq/L or >45 mEq/L
Additional Information
Available STAT