Test Overview
Test Methodology
LC-MS/MS
Test Usage
Monitor therapeutic drug level.
Reference Range *
Therapeutic 1 - 3 mcg/mL. Toxic: Greater than 3.5 mcg/mL.
Test Details
Days Set Up
Tuesday, Friday
Analytic Time
4 hours
Soft Order Code
FCBZN
MiChart Code
Carbamazepine Level, Free
Synonyms
- Tegretol
- Tegretol, Protein Free
- FCBZN
- Free Tegretol
- Free Carbamazepine
Laboratory
Chemical Pathology
Section
Drug Analysis
Specimen Requirements
Collection Instructions
Collect blood in a red top tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.
Alternate Specimen
Heparinized (green top) or EDTA (lavender top) plasma is acceptable.
Normal Volume
3 mL serum
Minimum Volume
1 mL serum
Billing
CPT Code
80157
Fee Code
33193
LOINC
3433-0
NY State Approved
No