Cleared Traditional

K222073 - VITEK 2 AST-Gram Negative Cefazolin (<=1 - >=32 ug/mL) (FDA 510(k) Clearance)

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

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Feb 2023
Decision
210d
Days
Class 2
Risk

K222073 is an FDA 510(k) clearance for the VITEK 2 AST-Gram Negative Cefazolin (<=1 - >=32 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 February 9, 2023 after a review of 210 days - an extended review cycle.

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. Standard predicate reliance. 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 K222073 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 14, 2022
Decision Date February 09, 2023
Days to Decision 210 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
108d slower than avg
Panel avg: 102d · This submission: 210d
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 K222073.
VITEK 2 AST-Streptococcus Inducible Clindamycin Resistance
K260282 · bioMerieux, Inc. · Apr 2026
VITEK 2 AST-Streptococcus Cefuroxime (<=0.125 - >=8 µg/mL)
K260281 · BIOMERIEUX · Mar 2026
VITEK 2 AST-Gram Negative Cefazolin (=<1-=>32 µg/mL)
K251579 · bioMerieux, Inc. · Aug 2025
BD Phoenix Automated Microbiology System - GN Eravacycline (0.125-2 µg/mL)
K251713 · Becton, Dickinson and Company · Aug 2025
BD Phoenix™ Automated Microbiology System - GN Imipenem-relebactam (0.0625/4 - 16/4 µg/mL)
K250447 · Becton, Dickinson and Company · May 2025
VITEK COMPACT PRO
K234012 · bioMerieux, Inc. · Mar 2025