Test Code CARB Carbamazepine (Tegretol)

Important Note

**Please see therapeutic ranges below:

Therapeutic range: 4.0-12.0 µg/mL Some individuals are best treated at concentrations outside this range.

Therapeutic range for peak drug levels for patients on carbamazepine alone: 8.0-12.0 µg/mL

Therapeutic range for patients who are taking carbamazepine in conjunction with other anti-epileptic drugs: 4.0-12.0 µg/mL

**Please see critical value reporting information below:

>15.0 µg/mL

Infectious

Meditech Mnemonics:

CARB

TEGRETOL

Preferred Specimen:

1mL Lithium Heparin plasma

Acceptable Specimen:

1mL serum (gel or non-gel tube)

Transport Container:

Transport Tube

Preferred Transport Temperature:

Refrigerated

Specimen Stability (after specimen has been centrifuged and plasma has been removed):

Ambient: undefined

Refrigerated: <1 month

Frozen: <3 months

Willis Knighton Medical Center

2600 Greenwood Road

Shreveport, LA 71103