Cleared Traditional

K854108 - POLYVALENT FLUORESCENT ANTIBODY REAGENTS FOR LEGIO (FDA 510(k) Clearance)

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

K854108 · Medical Diagnostic Technologies, Inc. · Microbiology device
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Nov 1985
Decision
35d
Days
Class 2
Risk

K854108 is an FDA 510(k) clearance for the POLYVALENT FLUORESCENT ANTIBODY REAGENTS FOR LEGIO. Classified as Reagents, Antibody, Legionella, Direct & Indirect Fluorescent (product code LHL), Class II - Special Controls.

Submitted by Medical Diagnostic Technologies, Inc. (Augusta, US). The FDA issued a Cleared decision on November 12, 1985 after a review of 35 days - a notably fast clearance cycle.

This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.3300 - the FDA microbiology 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 Medical Diagnostic Technologies, Inc. devices

Submission Details

510(k) Number K854108 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 08, 1985
Decision Date November 12, 1985
Days to Decision 35 days
Submission Type Traditional
Review Panel Microbiology (MI)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
67d faster than avg
Panel avg: 102d · This submission: 35d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LHL Reagents, Antibody, Legionella, Direct & Indirect Fluorescent
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.3300
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 Microbiology devices follow this clearance model.