Carbamazepine Total


Sunquest Code:CARB  
Epic Code:LAB21Epic Name:Carbamazepine Total
Synonyms:Tegretol
Methodology:Turbidimetric rate
CPT Code:80156
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Collection Instructions:Trough level is preferred; collect immediately before dose. It is advisable to monitor at the same time in dosing schedule.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot within 2 hours of collection 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature. Alternatively, ship on dry ice.
Test Performed at or Referral Lab Chemistry  (Fairview Range - FRMC, UMMC-East Bank, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Southdale - FSH, UMMC/UMMCH-West Bank)


Interpretive

Critical Range:Greater than 15 mg/L
Therapeutic Range:4-12 mg/L (parent); 0.4-4.0 mg/L (10,11 epoxide-metabolite); serum values may be 10% lower than plasma values.
Use:Monitor carbamazepine therapy.


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