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Test Code CO2 Carbon Dioxide, Plasma or Serum

Specimen Requirements

Submit only 1 of the following specimens:

 

Preferred:

Serum
Draw blood in a plain, red-top tube(s) or a serum gel tube(s). Spin down and send 1 mL of serum refrigerated. Avoid exposure of specimen to atmosphere.

Note:  1. Indicate serum on request form.
2. Label specimen appropriately (serum).

 

Alternate (If STAT):

Plasma
Draw blood in a green-top (lithium heparin) tube(s) or a plasma gel tube(s). Spin down and send 1 mL of lithium heparin plasma refrigerated. Avoid exposure of specimen to atmosphere.

Note:  1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).

Performing Laboratory

Conway Regional Clinical Laboratory Services

Reference Values

22-32 mmol/L
Critical value (automatic call-back):  >40 mmol/L

Methodology

Enzymatic

Day(s) Test Set Up

Monday through Sunday

Available STAT

Test Classification and CPT Coding

82374