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Phase II Free T4 Kit

by Medical & Scientific Designs, Inc.

510(k) K840901

Active United States

510(k)

Valid until

No expiry

510(k) clearance is not time-limited

FDA recalls

None found

in data synced 6 Oct 2026

Documents

Trust

Unverified

Registry data, not yet checked by deviCERTS. Source FDA 510(k), synced 6 Oct 2026. What this means

Regulatory status

as of registry sync 6 Oct 2026

RegionAuthorizationNumberDateStatus
United StatesFDA 510(k)SESE Substantially Equivalent · Traditional NumberK840901 Date25 Apr 1984ClearedStatusActive

Recalls

0 recalls · FDA

No FDA recalls found in the data synced 6 Oct 2026.

Coverage

1 jurisdiction

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  • Withdrawn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

United States — FDA 510(k) Active

Specification

510(k)

510(k) Number
FDA Product Code
CEC
Device Class
Class II
Regulation
21 CFR Part 862.1695
Advisory Committee
Clinical Chemistry
FDA Decision
SESE Substantially Equivalent

Overview

AI-generated summary, 27 Sep 2026

Written by a language model from registry data. Not verified by deviCERTS or the manufacturer. The registry data above is the record.

The Phase II Free T4 Kit is a radioimmunoassay device used for the measurement of free thyroxine. It is classified under clinical chemistry as a diagnostic tool for assessing thyroid function.

This device has received FDA 510(k) clearance under the regulation number 862.1695. It is manufactured by Medical and Scientific Designs, Inc. and is identified by the product code CEC.

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Questions

AI-generated answers, 27 Sep 2026

Written by a language model from registry data. Not verified by deviCERTS or the manufacturer. The registry data above is the record.

  • What is the primary purpose of the Phase II Free T4 Kit?

    This device is a radioimmunoassay tool designed for the measurement of free thyroxine. It is utilized within clinical chemistry to assist in the assessment of thyroid function.

  • What is the regulatory status of this device?

    The Phase II Free T4 Kit has received FDA 510(k) clearance under regulation number 862.1695. It was determined to be substantially equivalent to existing devices during the review process.

  • Which medical specialty is this kit associated with?

    The device is categorized under the clinical chemistry medical specialty, as it is used for diagnostic laboratory testing related to thyroid hormone levels.