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Test Code CO2 TOTAL Carbon Dioxide (CO2), Plasma

Performing Laboratory

NRL-Chemistry

Methodology

Rate Change of pH

Note: This test is also available as part of #BMP Basic Metabolic Panel, #COMP Comprehensive Metabolic Panel, #LYTES Electrolyte Panel, and  #RENAL Renal Function Panel. See Common Panel Test Combinations in Special Instructions to avoid duplicate test requests when multiple panels are ordered.

Specimen Requirements

Specimen must arrive within 14 hours of draw.

 

Specimen Type: Plasma

Container/Tube: Light-green top (lithium heparin)

Specimen Volume: Full tube

Collection Instructions:

1. Spin down unopened (vacuum intact) tube within 45 minutes of draw.

2. Keep specimen anaerobic (do not open or transfer).

Reference Values

≥16yrs: 22-32 mmol/L

1mo-16yrs: 20-28 mmol/L

0-1mo: 17-24 mmol/L

Alert values (automatic call-back): ≤10 mmol/L or ≥40 mmol/L

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:

STAT-45 minutes

Routine-shift

Specimen Transport Temperature

Refrigerate ≤14 hours 

Test Classification and CPT Coding

82374

Special Instructions