510(k) Report

510(k) · Cleared

Cleared

VITEK 2 AST-Gram Negative Levofloxacin (</=0.125 ->/=8 ug/mL)

K222378510(k) TraditionalCleared Jun 26, 2023325-day reviewClass II21 CFR 866.1645

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

bioMerieux, Inc. · LON System, Test, Automated, Antimicrobial Susceptibility, Short Incubation

Cleared on Jun 26, 2023 as substantially equivalent to K072038 (bioMerieux, Inc., 2007) after a 325-day review. Its family tree reaches back 3 generations to 2003.

Decided
Jun 26, 2023
Review
325 days
Class
Class II
Product code
LON
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K032788 (2003). No later device cites it as a predicate yet.

K032788 · Vitek 2 Gram Negative Gatifloxacin · bioMerieux, Inc. · 2003K041982 · Vitek 2 Gram Negative Ertapenem · bioMerieux, Inc. · 2004 · recalledK072038 · Vitek 2 Gram Negative Levofloxacin · bioMerieux, Inc. · 2007200020052010201520202025
K072038 · Vitek 2 Gram Negative Levofloxacin · bioMerieux, Inc. · 2007K041982 · Vitek 2 Gram Negative Ertapenem · bioMerieux, Inc. · 2004 · recalledK032788 · Vitek 2 Gram Negative Gatifloxacin · bioMerieux, Inc. · 20030
  1. Root · 3 generations backK032788 Vitek 2 Gram Negative GatifloxacinbioMerieux, Inc. · 2003
  2. 2 generations backK041982 Vitek 2 Gram Negative ErtapenembioMerieux, Inc. · 2004 · Recalled
  3. 1 generation backK072038 Vitek 2 Gram Negative LevofloxacinbioMerieux, Inc. · 2007
  4. This deviceK222378 VITEK 2 AST-Gram Negative Levofloxacin (</=0.125 ->/=8 ug/mL)bioMerieux, Inc. · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K032788Vitek 2 Gram Negative GatifloxacinbioMerieux, Inc.2003—
−2K041982Vitek 2 Gram Negative ErtapenembioMerieux, Inc.20041
−1K072038Vitek 2 Gram Negative LevofloxacinbioMerieux, Inc.2007—
0 (this device)K222378VITEK 2 AST-Gram Negative Levofloxacin (</=0.125 ->/=8 ug/mL)bioMerieux, Inc.2023—
FIG. 1 — Lineage of K222378, 2003–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in LON? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new LON device

  1. #1 K260619 VITEK 2 AST-Streptococcus Cefepime (<=0.06 –…score 13.3 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K072038Vitek 2 Gram Negative Levofloxacin
Summary page 4
…VITEK® 2 AST-GN Levofloxacin C. Predicate Device: VITEK® 2 AST-Gram Negative Levofloxacin (K072038) D. Device Description: The principle of the VITEK® 2 AST cards is based on the microdilution minimum inhibitory concentration…
bioMerieux, Inc.2007—

Also cleared against K072038: 3 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 20 years and passes through 1 company; a new generation was cleared every 3.0 years on median.
  • 1 of the 3 ancestors has a recall of any class.
  • 3 other devices also cite its predicate K072038.

How does its category compare?

All LON devices

LON System, Test, Automated, Antimicrobial Susceptibility, Short Incubation: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · LON

5in 2025

2007: 192008: 72009: 82010: 12011: 82012: 102013: 72014: 42016: 32017: 102018: 42019: 82020: 52021: 52022: 82023: 112024: 22025: 52026 (partial year): 4
2007high 19 (2007) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LON

90in 2025

2007: 50 days median2008: 66 days median2009: 76 days median2011: 85 days median2012: 200 days median2013: 115 days median2014: 90 days median2016: 242 days median2017: 89 days median2018: 88 days median2019: 84 days median2020: 81 days median2021: 268 days median2022: 189 days median2023: 210 days median2025: 90 days median2026 (partial year): 146 days median
2007high 268 (2021) · low 50 (2007)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · LON

1in 2025

2008: 12010: 1162011: 32012: 32014: 2, 2 Class I2016: 22017: 12018: 62019: 12020: 82022: 152024: 12025: 12026 (partial year): 6
2007high 116 (2010) · low 0 (2007)2026

Class I (2 since 2007) Class II/III not classified

Adverse event reports per year · LON

690in 2025

2007: 32008: 12010: 32011: 42012: 92013: 32014: 102015: 412016: 942017: 1972018: 5122019: 3152020: 2182021: 2322022: 1802023: 4532024: 4182025: 690
2007high 690 (2025) · low 0 (2009)2025

MAUDE reports naming product code LON, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007195003
200876611
200987600
20101—1163
201188534
20121020039
2013711503
20144902 (2)10
20150—041
20163242294
201710891197
20184886512
20198841315
20205818218
202152680232
2022818915180
2023112100453
20242—1418
20255901690
202641466—

What is it indicated for?

VITEK® 2 AST-Gram Negative Levofloxacin is designed for antimicrobial susceptibility testing of Gram-negative bacilli and is intended for use with the VITEK® 2 and VITEK® 2 Compact Systems as a laboratory aid in the determination of in vitro susceptibility to antimicrobial agents. VITEK® 2 AST-Gram Negative Levofloxacin is a quantitative test. Levofloxacin has been shown to be active against most strains of the microorganisms listed below, according to…

Read the full statement (184 words)

VITEK® 2 AST-Gram Negative Levofloxacin is designed for antimicrobial susceptibility testing of Gram-negative bacilli and is intended for use with the VITEK® 2 and VITEK® 2 Compact Systems as a laboratory aid in the determination of in vitro susceptibility to antimicrobial agents. VITEK® 2 AST-Gram Negative Levofloxacin is a quantitative test. Levofloxacin has been shown to be active against most strains of the microorganisms listed below, according to the FDA label for this antimicrobial.

Active in vitro and in clinical infections: Enterobacter cloacae, Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, Serratia marcescens

Active in vitro but clinical significance unknown: Citrobacter koseri, Citrobacter freundii, Enterobacter aerogenes, Klebsiella oxytoca, Morganella morganil, Pantoea agglomerans, Proteus vulgaris, Providencia rettgeri, Providencia stuartii

VITEK® 2 AST-Gram Negative Levofloxacin also reports the susceptibility for the following additional organism as listed on the FDA Susceptibility Test Interpretive Criteria website: Salmonella spp.

The VITEK® 2 Gram-Negative Susceptibility Card is intended for use with the VITEK® 2 Systems in clinical laboratories as an in vitro test to determine the susceptibility of clinically significant aerobic Gram-negative bacilli to antimicrobial agents when used as instructed.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Also cleared against K072038

3 other devices cite the same predicate.

  • K082346Vitek 2 Gram Negative DoripenembioMerieux, Inc. · 2009
  • K080107Vitek 2 Gram Negative Piperacillin/TazobactambioMerieux, Inc. · 2008114 recalls
  • K073083Vitek 2 Gram Negative PiperacillinbioMerieux, Inc. · 2007

More from bioMerieux, Inc.

281 FDA decisions under this applicant name. See the company

  • K260283VITEK 2 AST-Streptococcus Meropenem (=0.06 - =4 µg/mL)bioMerieux, Inc. · 2026
  • K260160VITEK REVEAL GN AST Assay and VITEK REVEAL AST SystembioMerieux, Inc. · 2026
  • K260282VITEK 2 AST-Streptococcus Inducible Clindamycin ResistancebioMerieux, Inc. · 2026
  • K251579VITEK 2 AST-Gram Negative Cefazolin (=<1-=>32 µg/mL)bioMerieux, Inc. · 2025
  • K234012Vitek Compact ProbioMerieux, Inc. · 2025

Recent decisions in LON

The LON category page

  • K260283VITEK 2 AST-Streptococcus Meropenem (=0.06 - =4 µg/mL)bioMerieux, Inc. · 2026
  • K260619VITEK 2 AST-Streptococcus Cefepime (<=0.06 – >=4 µg/mL)Biomérieux, Inc. · 2026
  • K260282VITEK 2 AST-Streptococcus Inducible Clindamycin ResistancebioMerieux, Inc. · 2026
  • K260281VITEK 2 AST-Streptococcus Cefuroxime (<=0.125 - >=8 µg/mL)Biomerieux · 2026
  • K251579VITEK 2 AST-Gram Negative Cefazolin (=<1-=>32 µg/mL)bioMerieux, Inc. · 2025

https://510kreport.com/device/K222378 · printed Nov 5, 2026

Cite this page

510(k) Report. “K222378: VITEK 2 AST-Gram Negative Levofloxacin (</=0.125 ->/=8 ug/mL).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K222378

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026