|
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Carbon Dioxide
Test Code310
CPT Codes
82374
Preferred Specimen
Serum in 1 full unopened spun gel barrier tube
Minimum Volume
0.5 mL
Other Acceptable Specimens
5 mL plasma collected in: sodium or lithium heparin (green-top) unopened tube
Instructions
Do not open tube.
Transport Container
1 full unopened spun gel barrier tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: 31 days
Refrigerated: 72 hours
Frozen: 31 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Anticoagulants other than heparin • Red top tube (no gel)
Methodology
Spectrophotometry (SP)
Setup Schedule
Set up: Daily; Report available: Next day
Limitations
Proper specimen collection and processing are critical for reliable testing.
Reference Range
| Carbon Dioxide | 20-32 mmol/L |
| Carbon Dioxide (High Altitude) | 18-30 mmol/L |
Clinical Significance
Measurements are used in the diagnosis and treatment of numerous potentially serious disorders associated with changes in body acid-base balance.
