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EMIT QST Phenytoin Assay

by Syva Co. 510(k)

Active United States

510(k) K834406

Overview

The EMIT QST Phenytoin Assay is an enzyme immunoassay device used for the quantitative determination of phenytoin (diphenylhydantoin) in human serum or plasma. This assay utilizes enzyme immunoassay technology to measure phenytoin levels, which is important for therapeutic drug monitoring in patients receiving antiepileptic treatment.

The device is supplied as a Class II medical device with special controls, manufactured by Syva Co. It is intended for laboratory use and requires appropriate laboratory equipment for operation. The device has received FDA 510(k) clearance (K834406) and is regulated under product code DIP for clinical toxicology applications.

AI-generated from registry data, 24 Sep 2026.Not verified by deviCERTS or the manufacturer

Regulatory status

as of 28 Oct 2026

RegionAuthorizationNumberDateStatus
United StatesFDA 510(k)SESE Substantially Equivalent · Traditional NumberK834406 Date3 Feb 1984ClearedStatusActive

Coverage

1 jurisdiction

United States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of AmericaUnited States of America
  • Active
  • Expiring
  • Withdrawn
  • Listed
  • Not known
  • Not covered

United States — FDA 510(k) Active

Recalls

0 recalls · FDA

No FDA recalls on record, checked 6 Oct 2026.

Specification

510(k)

510(k) Number
FDA Product Code
DIP
Device Class
Class II
Regulation
21 CFR Part 862.3350
Advisory Committee
Clinical Toxicology
FDA Decision
SESE Substantially Equivalent

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