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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