Monitor therapeutic drug level.
The concentration of carbamazepine epoxide is normally 10-40% that of the parent drug, but can be variable. During combination therapy the relative concentration of carbamazepine epoxide to carbamazepine may increase slightly.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Days Test Performed
Soft Order Code
CARBAMA EPOXIDE LEVEL
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Offsite Collection Instructions
Collect blood in a red top tube; do not use SST. Centrifuge, aliquot serum into a plastic vial and refrigerate.
SST tube not acceptable.
3 mL serum
1 mL serum