Test Code CARBA Carbamazepine (Tegretol®), Serum
Performing Laboratory
ChristianaCare:
- Newark Campus
- Wilmington Campus
Methodology
Enzyme Immunoassay (EIA)
Specimen Requirements
Peak
Container/Tube: 3.5-mL red-top (gel) tube
Specimen: Full tube
Collection Instructions: Draw specimen 3 hours post oral dose.
Note: Label tube with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, or financial number. Date and time of draw, collector’s initials, and type of specimen are also required.
Trough
Container/Tube: 3.5-mL red-top (gel) tube
Specimen: Full tube
Collection Instructions: Draw specimen immediately prior to dose.
Note: Label tube with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, or financial number. Date and time of draw, collector’s initials, and type of specimen are also required.
Reference Values
Single drug regimen: 8-12 mg/L
Multiple drug regimen: 4-8 mg/L
Critical value (automatic call-back): >20 mg/L
Day(s) Test Set Up
Monday through Sunday
Routine Turnaround Time: 8 hours
STAT Turnaround Time: 1 hour