Cleared Traditional

K222378 - VITEK 2 AST-Gram Negative Levofloxacin (/=8 ug/mL) (FDA 510(k) Clearance)

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

K222378 · bioMerieux, Inc. · Microbiology device
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Jun 2023
Decision
325d
Days
Class 2
Risk

K222378 is an FDA 510(k) clearance for the VITEK 2 AST-Gram Negative Levofloxacin (</=0.125 ->/=8 ug/mL). Classified as System, Test, Automated, Antimicrobial Susceptibility, Short Incubation (product code LON), Class II - Special Controls.

Submitted by bioMerieux, Inc. (Hazelwood, US). The FDA issued a Cleared decision on June 26, 2023 after a review of 325 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.1645 - 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: Standard predicate-based submission. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Microbiology review framework, consistent with the majority of Class II 510(k) submissions.

View all bioMerieux, Inc. devices

Submission Details

510(k) Number K222378 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 05, 2022
Decision Date June 26, 2023
Days to Decision 325 days
Submission Type Traditional
Review Panel Microbiology (MI)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
223d slower than avg
Panel avg: 102d · This submission: 325d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LON System, Test, Automated, Antimicrobial Susceptibility, Short Incubation
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.1645
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.

Regulatory Peers - LON System, Test, Automated, Antimicrobial Susceptibility, Short Incubation

All 288
Devices cleared under the same product code (LON) and FDA review panel - the closest regulatory comparables to K222378.
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K251579 · bioMerieux, Inc. · Aug 2025
BD Phoenix Automated Microbiology System - GN Eravacycline (0.125-2 µg/mL)
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K234012 · bioMerieux, Inc. · Mar 2025