Cleared Traditional

K921816 - VITEK IMMUN ASSAY SYS(VIDAS) THYROI STI...

K921816 is the FDA 510(k) clearance for VITEK IMMUN ASSAY SYS(VIDAS) THYROI STI... by Biomerieux Vitek, Inc.. It is a Class 2 Chemistry device (product code JLW) cleared through the Traditional 510(k) pathway after a 64-day FDA review.

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Jun 1992
Decision
64d
Days
Class 2
Risk

K921816 is an FDA 510(k) clearance for the VITEK IMMUN ASSAY SYS(VIDAS) THYROI STIM HOR ASSAY. Classified as Radioimmunoassay, Thyroid-stimulating Hormone (product code JLW), Class II - Special Controls.

Submitted by Biomerieux Vitek, Inc. (Rockland, US). The FDA issued a Cleared decision on June 18, 1992 after a review of 64 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1690 - 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 K921816 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 15, 1992
Decision Date June 18, 1992
Days to Decision 64 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
24d faster than avg
Panel avg: 88d · This submission: 64d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JLW Radioimmunoassay, Thyroid-stimulating Hormone
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1690
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 - JLW Radioimmunoassay, Thyroid-stimulating Hormone

All 143
Devices cleared under the same product code (JLW) and FDA review panel - the closest regulatory comparables to K921816.
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