Carbamazepine, Free and Total
Test Mnemonic
CARBFT
CPT Codes
- 80156 - QTY (1)
- 80157 - QTY (1)
Aliases
- Tegretol
Includes
- Carbamazepine, Total
- Carbamazepine, Free
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 3 mL | Serum | No additive (Red) | Refrigerated | Do not collect in a gel separator tube. Centrifuge and transfer plasma/serum to a CCL tube and refrigerate. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 2 days |
| Refrigerated | After separation from cells: 7 days |
| Frozen | After separation from cells: 14 days |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Kinetic Interaction of Microparticles in a Solution |
Reference Range
| Carbamazepine | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 4.0 - 12.0 | ug/mL | Years | 99 Years | Urgent | > 15.0 | ug/mL |
| Carbamazepine, Free | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 0.8 - 2.4 | ug/mL | Years | 99 Years | Urgent | > 5.0 | ug/mL |
Special Info
Do not collect in a gel separator tube. Draw immediately before next dose.