Test Code CO2 CO2, Total, Plasma or Serum
Methodology
Rate, pH Change
Performing Laboratory
Munson Healthcare Laboratories
Specimen Requirements
Specimen must arrive within 96 hours of draw.
Submit only 1 of the following specimens:
Plasma
Container/Tube: Green-top (heparin) gel tube-Specimen exposed to air is not acceptable.
Specimen Volume: 0.5 mL of heparinized plasma
Transport Temperature: Refrigerate
Collection Instructions: Forward promptly.
Note: 1. Indicate plasma.
2. Label specimen appropriately (plasma).
Serum
Container/Tube: Gold-top serum gel tube-Specimen exposed to air is not acceptable.
Specimen Volume: 0.5 mL of serum
Transport Temperature: Refrigerate
Collection Instructions: Forward promptly.
Note: 1. Indicate serum.
2. Label specimen appropriately (serum).
Reference Values
22-32 mmol/L
Critical value (automatic call-back):
Pediatric patients up to 21 years old: ≤16 mmol/L, ≥ 35 mmol/L
Patients 21 and older: ≤ 10 mmol/L, ≥ 40 mmol/L
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
82374