Carbamazepine and Carbamazepine-10,11 Epoxide


Sunquest Code:CARBAZ  
Epic Code:LAB3354Epic Name:Carbamazepine and 10 11 Epoxide
Synonyms:Tegretol; CBZ; Epoxide; Carbatrol; Epitol
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:80156
Test Includes:Carbamazepine and carbamazepine10,11 epoxide metabolite
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2 days.


Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Green (sodium heparin, no gel) (Green (lithium heparin, no gel), Red (no gel))
Collection Instructions:Trough level is most reproducible.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.5 mL minimum. Store in room temperature.
Shipping Instructions:Ship at room temperature.
Stability:Up to 3 days at room temperature; for longer storage refrigerate or freeze.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:150


Interpretive

Reference Range:10,11 Epoxide: 0.4-4.0 ug/mL; Carbamazepine: 4.0-12.0 ug/mL
Use:Therapeutic monitoring, assess toxicity, and evaluate active 10,11-epoxide metabolite.


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