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# Guidance on Lamotrigine/Zonisamide Assays
- URL: https://www.fdaweb.com/guidance-on-lamotrigine-zonisamide-assays/
- Published: 2016-02-09T12:00:00.000Z
- Updated: 2026-09-15T02:34:29.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5134715

*Federal Register* Notice: FDA is making available a guidance entitled *Recommendations for Premarket Notifications for Lamotrigine and Zonisamide Assays*. This guidance document discusses information to be included in premarket notifications for zonisamide or lamotrigine assays. To download this guidance, click [here.](http://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/GuidanceDocuments/UCM221420?ref=fdaweb.com) To view this notice, click [here.](https://www.gpo.gov/fdsys/pkg/FR-2016-02-09/pdf/2016-02516.pdf?ref=fdaweb.com)