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HelpTest Code CO2 Carbon Dioxide (CO2), Serum or Plasma
Methodology
Enzymatic Reaction using PEPC or pH Rate Reaction
Specimen Requirements
Container/Tube:
Preferred: Lithium heparin (light green-top)
Acceptable: Serum Gel
Draw blood, spin down and send 1 mL (pediatric: 0.2 mL) of plasma or serum.
Specimen Stability Information
*Specimen must be spun within 8 hrs of collection *
|
Specimen Type |
Temperature |
Time |
|
Plasma,lithium heparin / Serum |
RT, spun |
40 hrs |
|
Refrigerated, spun |
7 days |
Reference Values
| Age | mmol/L |
| 0-17 years | 19-27 |
| >17 years | 22-29 |
Critical values: <10 mEq/L or >40 mEq/L
Reject Due To
|
Hemolysis |
Mild: |
ok |
Gross: |
ok |
|
Lipemia |
Mild: |
ok |
Gross: |
ok |
|
Icterus |
Mild: |
ok |
Gross: |
ok |
Day(s) Test Set Up
Monday through Sunday
CPT Coding
82374
Performing Laboratory
Huntsville Hospital Laboratory/Madison Hospital Laboratory
LOINC Coding
| Test Name | LOINC Code |
|---|---|
|
Carbon Dioxide (CO2), Serum or Plasma |
2028-9 |