ARUP's Laboratory Test Directory
| 0092211: Carbamazepine Epoxide & Total |
| Test Mnemonic: CARB EPOXT | |
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Methodology: High Performance Liquid Chromatography/Immunoassay
Performed: Mon, Thu Reported: 1-5 days |
| Specimen Required: | |
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Collect: One 5 mL plain red.
Transport: 1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube. Remarks: Avoid use of separator tubes and gels. Stability: After separation from cells: Ambient: 2 days; Refrigerated: 6 days; Frozen: 1 month |
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| Reference Interval: | ||||||
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| Interpretive Data: | |
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The 10, 11 epoxide metabolite has anticonvulsant activity similar to the parent drug. The expected range following chronic therapeutic dose (5.2-20.0 mg/kg) of carbamazepine is 0.5-2.0 µg/mL.
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| CPT Code(s): | |
| 80156; Carbamazepine, total; 80299 Carbamazepine, Epoxide |