Cleared Traditional

FREE T3 RADIOIMMUNOASSAY KIT (K894200) - FDA 510(k) Clearance

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

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Sep 1989
Decision
101d
Days
Class 2
Risk

K894200 is an FDA 510(k) clearance for the FREE T3 RADIOIMMUNOASSAY KIT. Classified as Radioimmunoassay, Total Triiodothyronine (product code CDP), Class II - Special Controls.

Submitted by Advanced Magnetics, Inc. (Cambridge, US). The FDA issued a Cleared decision on September 25, 1989 after a review of 101 days - within the typical 510(k) review window.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1710 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Chemistry review framework, consistent with the majority of Class II 510(k) submissions.

View all Advanced Magnetics, Inc. devices

Submission Details

510(k) Number K894200 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 16, 1989
Decision Date September 25, 1989
Days to Decision 101 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
13d slower than avg
Panel avg: 88d · This submission: 101d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CDP Radioimmunoassay, Total Triiodothyronine
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1710
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 - CDP Radioimmunoassay, Total Triiodothyronine

All 143
Devices cleared under the same product code (CDP) and FDA review panel - the closest regulatory comparables to K894200.
ABBOTT ARCHITECT TOTAL T3
K983434 · Abbott Laboratories · Nov 1998
ABBOTT ARCHITECT FREE T3
K983439 · Abbott Laboratories · Nov 1998
IMMULITE FREE T3
K974634 · Diagnostic Products Corp. · Jan 1998
ACCESS TOTAL T3 REAGENTS ON THE ACCESS IMMUNOASSAY ANALYZER
K973966 · Beckman Instruments, Inc. · Oct 1997
ELECSYS FT3
K963127 · Boehringer Mannheim Corp. · Dec 1996
ENZYMUN-TEST FT3
K962760 · Boehringer Mannheim Corp. · Nov 1996