Cleared Traditional

K223481 - VITEK® 2 Streptococcus Tetracycline (<=0.25 - >=16 µg/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
77d
Days
Class 2
Risk

K223481 is an FDA 510(k) clearance for the VITEK® 2 Streptococcus Tetracycline (<=0.25 - >=16 µg/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 3, 2023 after a review of 77 days - a notably fast clearance 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: 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 bioMerieux, Inc. devices

Submission Details

510(k) Number K223481 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 18, 2022
Decision Date February 03, 2023
Days to Decision 77 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
25d faster than avg
Panel avg: 102d · This submission: 77d
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 K223481.
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