JWY · Class II · 21 CFR 866.1640

FDA Product Code JWY: Manual Antimicrobial Susceptibility Test Systems

FDA product code JWY covers manual antimicrobial susceptibility test systems.

These diagnostic systems are used to determine which antibiotics are effective against specific bacterial or fungal isolates from patient samples. Results guide clinicians in selecting appropriate antibiotic therapy, a critical step in managing infections and combating antimicrobial resistance.

JWY devices are Class II medical devices, regulated under 21 CFR 866.1640 and reviewed by the FDA Microbiology panel.

Leading manufacturers include Thermo Fisher Scientific, Liofilchem S. R. L. and Beckman Coulter, Inc..

441
Total
441
Cleared
89d
Avg days
1981
Since
Growing category - 22 submissions in the last 2 years vs 7 in the prior period
Review times increasing: avg 117d recently vs 88d historically

FDA 510(k) Cleared Manual Antimicrobial Susceptibility Test Systems Devices (Product Code JWY)

441 devices
1–24 of 441
Cleared Apr 21, 2026
ETEST Gepotidacin (GEP) (0.016-256 µg/mL)
K260447
Biom?rieux SA
Microbiology · 69d
Cleared Apr 17, 2026
MTS Gepotidacin 0.016-256 µg/mL
K260696
Liofilchem S. R. L.
Microbiology · 45d
Cleared Oct 02, 2025
MTS Aztreonam-Avibactam 0.016/4 - 256/4 µg/mL
K252114
Liofilchem S. R. L.
Microbiology · 87d
Cleared Sep 25, 2025
The Sensititre 18-24 hour MIC or Breakpoint Susceptibility System with Colistin in the dilution range of 0.12-16 ug/mL
K252062
Thermo Fisher Scientific
Microbiology · 86d
Cleared Sep 05, 2025
The Sensititre 18 - 24 hour MIC or Breakpoint Susceptibility System with Aztreonam/avibactam in the dilution range of 0.008/4 - 64/4 ug/mL
K250575
Thermo Fisher Scientific
Microbiology · 191d
Cleared Aug 28, 2025
The Sensititre 18-24 hour MIC or Breakpoint Susceptibility System with Amikacin in the dilution range of 0.25-256 ug/mL
K252014
Thermo Fisher Scientific
Microbiology · 62d
Cleared Aug 20, 2025
MTS Sulbactam-Durlobactam 0.004/4 - 64/4 µg/mL (SUD)
K251580
Liofilchem S. R. L.
Microbiology · 89d
Cleared Jun 30, 2025
The Sensititre 18-24 hour MIC or Breakpoint Susceptibility System with Ciprofloxacin in the dilution range of 0.002-64 ug/mL
K250990
Thermo Fisher Scientific
Microbiology · 91d
Cleared Jun 20, 2025
The Sensititre 20-24 hour Haemophilus influenzae/Streptococcus pneumoniae (HP) MIC or Breakpoint Susceptibility System with Ceftobiprole in the dilution range of 0.008-16 ug/mL.
K242843
Thermo Fisher Scientific
Microbiology · 273d
Cleared Jun 12, 2025
ETEST Aztreonam/Avibactam (AZA) (0.016/4-256/4 µg/mL)
K250856
Biom?rieux
Microbiology · 83d
Cleared May 22, 2025
The Sensititre 18-24 hour MIC or Breakpoint Susceptibility System with Vancomycin in the dilution range of 0.25-128 ug/mL
K242659
Thermo Fisher Scientific
Microbiology · 260d
Cleared Apr 30, 2025
ETEST Imipenem/Relebactam P. aeruginosa (IRPA) (0.008/4-128/4 µg/mL)
K250274
Biomerieux S.A.
Microbiology · 90d
Cleared Apr 15, 2025
The Sensititre 18-24 hour MIC or Breakpoint Susceptibility System with Moxifloxacin in the dilution range of 0.008-16 ug/mL
K242658
Thermo Fisher Scientific
Microbiology · 223d
Cleared Feb 10, 2025
The Sensititre 20-24 hour Haemophilus influenzae/Streptococcus pneumoniae (HP) MIC or Breakpoint Susceptibility System with Linezolid in the dilution range of 0.12-32 ug/mL
K242905
Thermo Fisher Scientific
Microbiology · 139d
Cleared Feb 10, 2025
The Sensititre 20-24 hour Haemophilus influenzae/Streptococcus pneumoniae (HP) MIC or Breakpoint Susceptibility System with penicillin in the dilution range of 0.015-32 ug/mL
K243201
Thermo Fisher Scientific
Microbiology · 132d
Cleared Jan 30, 2025
MTS Ceftobiprole 0.002-32 µg/mL
K243202
Liofilchem S. R. L.
Microbiology · 121d
Cleared Dec 19, 2024
The Sensititre 18-24 hour MIC or Breakpoint Susceptibility System with Ceftobiprole in the dilution range of 0.008-16 ug/mL
K243169
Thermo Fisher Scientific
Microbiology · 80d
Cleared Dec 05, 2024
The Sensititre 18-24 hour MIC or Breakpoint Susceptibility System with Linezolid in the dilution range of 0.25-32 ug/mL
K242653
Thermo Fisher Scientific
Microbiology · 92d
Cleared Nov 26, 2024
The Sensititre 18-24 hour MIC or Breakpoint Susceptibility System with Daptomycin in the dilution range of 0.03-64 ug/mL
K242657
Thermo Fisher Scientific
Microbiology · 83d
Cleared Oct 09, 2024
The Sensititre 20 - 24 hour Haemophilus influenzae/Streptococcus pneumoniae (HP) MIC or Breakpoint Susceptibility System with Meropenem in the dilution range of 0.015 - 32 ug/ml.
K242021
Thermo Fisher Scientific
Microbiology · 90d
Cleared Oct 01, 2024
The Sensititre 20 - 24 hour Haemophilus influenzae/Streptococcus pneumoniae (HP) MIC or Breakpoint Susceptibility System with ceftriaxone in the dilution range of 0.015 - 2 ug/ml.
K241967
Thermo Fisher Scientific
Microbiology · 90d
Cleared May 16, 2024
The Sensititre 20 - 24 hour Haemophilus influenzae/Streptococcus pneumoniae (HP) MIC or Breakpoint Susceptibility System with Imipenem in the dilution range of 0.015 - 4 ug/ml.
K240445
Thermo Fisher Scientific
Microbiology · 91d
Cleared Oct 31, 2023
Sensititre 20-24 hour Haemophilus influenzaelStreptococcus pneumoniae MIC or Breakpoint Susceptibility System with Ceftolozane-tazobactam in the dilution range of 0.03/4-64/4ug/ml
K232310
Thermo Fisher Scientific
Microbiology · 90d
Cleared Aug 30, 2023
Sensititre 20-24-hour Haemophilus influenzae/Streptococcus pneumoniae MIC or Breakpoint Susceptibility System with Dalbavancin in the dilution range of 0.0005-2µg/ml
K231988
Thermo Fisher Scientific
Microbiology · 56d

About Product Code JWY - Regulatory Context

510(k) Submission Activity

441 total 510(k) submissions under product code JWY since 1981, with 441 receiving FDA clearance (average review time: 89 days).

Submission volume has increased in recent years - 22 submissions in the last 24 months compared to 7 in the prior period - suggesting growing market activity in this device classification.

FDA Review Time

Recent submissions under JWY have taken an average of 117 days to reach a decision - up from 88 days historically. Manufacturers should account for longer review timelines in current project planning.

JWY devices are reviewed by the Microbiology panel. Browse all Microbiology devices →