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Test Code CO2 Carbon Dioxide Level (Bicarbonate CO2)

Aliases

Bicarb Level

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

  • Adults: 0.8ml
  • Pediatric: 0.5mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST
  • Red Top

Plasma:

  • Light Geen Top (lithium heparin)

 

Reference or Target Ranges

20 – 31 mmol/L

Reportable Units

mmol/L

Critical Value

<11 and >39 mmol/L

Reasons for Rejection

Hemolysis Threshold 500 mg/dL
Icterus Threshold 30 mg/dL
Lipemia Threshold 700 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type

 

 

Specimen Stability

Ambient 40 hours
Refrigerated (4°C to 8°C) 7 days
Frozen(-40°C to 0°C) 6 months

 

 

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench UH Chemistry
Methodology/Method Description Siemens Atellica – Colorimetric 

 

 

CPT Codes

82374