Cleared Traditional

ACCESS(R) FREE T4 ASSAY (K925913) - FDA 510(k) Clearance

Class II Toxicology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K925913 · Bio-Rad Laboratories, Inc. · Toxicology device
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Jan 1993
Decision
65d
Days
Class 2
Risk

K925913 is an FDA 510(k) clearance for the ACCESS(R) FREE T4 ASSAY. Classified as Radioimmunoassay, Free Thyroxine (product code CEC), Class II - Special Controls.

Submitted by Bio-Rad Laboratories, Inc. (Chaska, US). The FDA issued a Cleared decision on January 27, 1993 after a review of 65 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.1695 - the FDA toxicology device 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 Bio-Rad Laboratories, Inc. devices

Submission Details

510(k) Number K925913 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 23, 1992
Decision Date January 27, 1993
Days to Decision 65 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
22d faster than avg
Panel avg: 87d · This submission: 65d
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 Toxicology devices follow this clearance model.

Regulatory Peers - CEC Radioimmunoassay, Free Thyroxine

All 91
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