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Carbamazepine (Tegretol)
MessageSerum half-life is 18 - 65 hours
Performed in the Chemistry laboratory x5820.
10.2018
Performed in the Chemistry laboratory x5820.
10.2018
Test Code
CARBA
Alias/See Also
Tegretol
CPT Codes
80156
Preferred Specimen
Plasma from a green top (PST) tube
Minimum Volume
1 mL
Instructions
Draw specimen at steady state reached at approximately 2 - 3 weeks.
Some patients may reach steady state at 3 - 4 weeks.
Therapeutic monitoring: TROUGH: collect within an hour of next dose.
Some patients may reach steady state at 3 - 4 weeks.
Therapeutic monitoring: TROUGH: collect within an hour of next dose.
Transport Container
Green Top (PST) tube
Transport Temperature
Room temperature
Specimen Stability
No Add-On
Methodology
Chemisluminescent Microparticle Immunoassay (CMIA on Architect i2000)
Setup Schedule
This assay is performed 24 hours per day, 7 days per week
Reference Range
Therapeutic range: 4 - 12 ug/mL
Critical alert value: ≥ 15 ug/mL
Critical alert value: ≥ 15 ug/mL
Clinical Significance
This test is used to monitor compliance, asses clinical effectiveness, or determine toxicity.
