Cleared Traditional

K920712 - MEDIX BIOTECH THROXINE ENZYME IMMUNOASSAY TEST KIT

K920712 is an FDA 510(k) clearance for MEDIX BIOTECH THROXINE ENZYME IMMUNOASS..., manufactured by Medix Biotech, Inc.. The device is a Class 2 Chemistry device with product code KLI cleared through the Traditional 510(k) pathway after a 38-day FDA review.

K920712 · Medix Biotech, Inc. · Chemistry device
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Mar 1992
Decision
38d
Days
Class 2
Risk

K920712 is an FDA 510(k) clearance for the MEDIX BIOTECH THROXINE ENZYME IMMUNOASSAY TEST KIT. Classified as Enzyme Immunoassay, Non-radiolabeled, Total Thyroxine (product code KLI), Class II - Special Controls.

Submitted by Medix Biotech, Inc. (Foster City, US). The FDA issued a Cleared decision on March 27, 1992 after a review of 38 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1700 - 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 Medix Biotech, Inc. devices

FDA 510(k) Submission Details - K920712

510(k) Number K920712 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 18, 1992
Decision Date March 27, 1992
Days to Decision 38 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
50d faster than avg
Panel avg: 88d · This submission: 38d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KLI Device Classification - Class 2, Special Controls

Product Code KLI Enzyme Immunoassay, Non-radiolabeled, Total Thyroxine
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1700
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 - KLI Enzyme Immunoassay, Non-radiolabeled, Total Thyroxine

All 70
Devices cleared under the same product code (KLI) and FDA review panel - the closest regulatory comparables to K920712.
ACCESS(R) THYROXINE ASSAY
K926475 · Bio-Rad Laboratories, Inc. · Jun 1993
VIDAS THYROXINE (T4) ASSAY (T4)
K926393 · Biomerieux Vitek, Inc. · May 1993
VISTA THYROXINE (T-4) ASSAY -- MODIFICATION
K922433 · Syva Co. · Sep 1992
CEDIA T4
K915194 · Boehringer Mannheim Corp. · Dec 1991
TECHNICON IMMUNO 1 TM SYSTEM ADDITIONAL ANALYTES
K912616 · Technicon Instruments Corp. · Sep 1991
SR1 T4 ENZYME IMMUNOASSAY (MAGNETIC SOLID-PHASE)
K911217 · Serono-Baker Diagnostics, Inc. · Aug 1991