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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