Cleared Traditional

K925177 - VIDAS FREE THYROXINE(FT4) ASSAY

K925177 is the FDA 510(k) clearance for VIDAS FREE THYROXINE(FT4) ASSAY by Biomerieux Vitek, Inc.. It is a Class 2 Chemistry device (product code CEC) cleared through the Traditional 510(k) pathway after a 47-day FDA review.

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Nov 1992
Decision
47d
Days
Class 2
Risk

K925177 is an FDA 510(k) clearance for the VIDAS FREE THYROXINE(FT4) ASSAY. Classified as Radioimmunoassay, Free Thyroxine (product code CEC), Class II - Special Controls.

Submitted by Biomerieux Vitek, Inc. (Hazelwood, US). The FDA issued a Cleared decision on November 30, 1992 after a review of 47 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1695 - the FDA in vitro diagnostics and chemistry framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Biomerieux Vitek, Inc. devices

Submission Details

510(k) Number K925177 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 14, 1992
Decision Date November 30, 1992
Days to Decision 47 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
41d faster than avg
Panel avg: 88d · This submission: 47d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CEC Radioimmunoassay, Free Thyroxine
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1695
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Chemistry devices follow this clearance model.

Regulatory Peers - CEC Radioimmunoassay, Free Thyroxine

All 63
Devices cleared under the same product code (CEC) and FDA review panel - the closest regulatory comparables to K925177.
RADIAS FREE T4 ENZYME IMMUNOASSAY
K931110 · Bio-Rad · May 1993
BECTON DICKINSON SIMULTRAC COMPONENT SYSTEM
K925842 · Bd Becton Dickinson Vacutainer Systems Preanalytic · Apr 1993
ACCESS(R) FREE T4 ASSAY
K925913 · Bio-Rad Laboratories, Inc. · Jan 1993
VISTA FREE THYROXINE ASSAY
K923572 · Syva Co. · Nov 1992
KODAK AMERLITE MAB FT3 ASSAY
K922713 · Eastman Kodak Company · Oct 1992
AMERLITE MAB FT4 ASSAY
K920247 · Eastman Kodak Company · Mar 1992