510(k) · Cleared
ClearedHardydisk Doxycycline, 30MCG
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Hardy Diagnostics · JTN Susceptibility Test Discs, Antimicrobial
Cleared on Jan 10, 2000 after a 41-day review. FDA’s file for it is a 510(k) statement, which names no predicate.
- Decided
- Jan 10, 2000
- Review
- 41 days
- Class
- Class II
- Product code
- JTN
- Recalls
- None
- Predicates
- 0
FDA’s file for it is a 510(k) statement, which names no predicate.
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in JTN? 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 JTN device
- #1 K230651 BD BBL™ Sensi-Disc™ Lefamulin 20µg (LMU-20)score 5.5 · 1 generation · no Class I recall
- #2 Held for the reportin the report
What was it cleared against?
FDA’s file for it is a 510(k) statement, which names no predicate.
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.
How does its category compare?
All JTN devicesJTN Susceptibility Test Discs, Antimicrobial: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · JTN
7in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · JTN
87in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · JTN
31in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · JTN
7in 2025
MAUDE reports naming product code JTN, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 1 | 2 |
| 2008 | 4 | 44 | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 3 | 15 | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 0 | — | 3 | 0 |
| 2013 | 0 | — | 5 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 3 | 56 | 1 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 3 | 33 | 0 | 0 |
| 2018 | 3 | 27 | 0 | 0 |
| 2019 | 3 | 23 | 0 | 0 |
| 2020 | 2 | — | 0 | 0 |
| 2021 | 2 | — | 0 | 5 |
| 2022 | 2 | — | 0 | 5 |
| 2023 | 4 | 67 | 0 | 4 |
| 2024 | 2 | — | 31 | 5 |
| 2025 | 7 | 87 | 0 | 7 |
| 2026 | 4 | 56 | 1 | — |
What is it indicated for?
HardyDisk™ Antimicrobial Sensitivity Disks are used for semi-quantitative in vitro susceptibility testing by the agar diffusion test procedure (Kirby-Bauer) of rapidly growing and certain fastidious bacterial pathogens. Standardized methods for agar diffusion testing have been described for Enterobacteriaceae, Staphylococcus spp., Pseudomonas spp., Acinetobacter spp., Listeria monocytogenes, Enterococcus spp., other streptococci and, by modified procedures, Haemophilus influenzae, Neisseria gonorrhoeae and Streptococcus pneumoniae.
HardyDisk™ Doxycycline are indicated for in vitro activity against the Enterobacteriaceae, Acinetobacter spp., Staphylococcus spp., and Enterococcus spp.
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K994051 · printed Nov 6, 2026
Cite this page
510(k) Report. “K994051: Hardydisk Doxycycline, 30MCG.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K994051
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Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Page last updated Nov 3, 2026