Cleared Traditional

K922792 - ZITHROMAX (FDA 510(k) Clearance)

Class I Microbiology device.

K922792 · Difco Laboratories, Inc. · Microbiology device
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Jul 1992
Decision
51d
Days
Class 1
Risk

K922792 is an FDA 510(k) clearance for the ZITHROMAX. Classified as Chromatographic, Phospholipids (product code JNT), Class I - General Controls.

Submitted by Difco Laboratories, Inc. (Detroit, US). The FDA issued a Cleared decision on July 30, 1992 after a review of 51 days - a notably fast clearance cycle.

This device falls under the Microbiology FDA review panel, regulated under 21 CFR 862.1575 - 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 Difco Laboratories, Inc. devices

Submission Details

510(k) Number K922792 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 09, 1992
Decision Date July 30, 1992
Days to Decision 51 days
Submission Type Traditional
Review Panel Microbiology (MI)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
51d faster than avg
Panel avg: 102d · This submission: 51d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code JNT Chromatographic, Phospholipids
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 862.1575
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.