Cleared Traditional

K850735 - ENRICHED CULTURE MEDIUM (FDA 510(k) Clearance)

Class I Microbiology device.

K850735 · Roseville Medical Laboratoriesu · Microbiology device
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Mar 1985
Decision
24d
Days
Class 1
Risk

K850735 is an FDA 510(k) clearance for the ENRICHED CULTURE MEDIUM. Classified as Culture Media, Enriched (product code KZI), Class I - General Controls.

Submitted by Roseville Medical Laboratoriesu (Roseville, US). The FDA issued a Cleared decision on March 16, 1985 after a review of 24 days - a notably fast clearance cycle.

This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.2330 - 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 Roseville Medical Laboratoriesu devices

Submission Details

510(k) Number K850735 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 20, 1985
Decision Date March 16, 1985
Days to Decision 24 days
Submission Type Traditional
Review Panel Microbiology (MI)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
78d faster than avg
Panel avg: 102d · This submission: 24d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code KZI Culture Media, Enriched
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 866.2330
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.