Cleared Traditional

K812524 - PIPERACILLIN 100 MCG. SENSITIVITY DISCS (FDA 510(k) Clearance)

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jan 1982
Decision
148d
Days
Class 2
Risk

K812524 is an FDA 510(k) clearance for the PIPERACILLIN 100 MCG. SENSITIVITY DISCS. Classified as Susceptibility Test Discs, Antimicrobial (product code JTN), Class II - Special Controls.

Submitted by Difco Laboratories, Inc. (Mchenry, US). The FDA issued a Cleared decision on January 28, 1982 after a review of 148 days - within the typical 510(k) review window.

This device falls under the Immunology FDA review panel, regulated under 21 CFR 866.1620 - the FDA immunology 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 Immunology review framework, consistent with the majority of Class II 510(k) submissions.

View all Difco Laboratories, Inc. devices

Submission Details

510(k) Number K812524 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 02, 1981
Decision Date January 28, 1982
Days to Decision 148 days
Submission Type Traditional
Review Panel Immunology (IM)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
44d slower than avg
Panel avg: 104d · This submission: 148d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JTN Susceptibility Test Discs, Antimicrobial
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.1620
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 Immunology devices follow this clearance model.

Regulatory Peers - JTN Susceptibility Test Discs, Antimicrobial

All 326
Devices cleared under the same product code (JTN) and FDA review panel - the closest regulatory comparables to K812524.
Thermo Scientific Oxoid Gepotidacin Disc (10 µg) GEP10
K251337 · Thermo Fisher Scientific (Oxoid Ltd.) · Dec 2025
HardyDisk AST Cefiderocol 30µg (FDC30)
K253105 · Hardy Diagnostics · Nov 2025
Sulopenem SPM 2 µg
K251879 · Liofilchem · Aug 2025
HardyDisk AST Gepotidacin 10µg (GEP10)
K250956 · Hardy Diagnostics · Jun 2025
Ceftobiprole BPR 5 µg Disc
K250885 · Liofilchem, Inc. · Jun 2025
Thermo Scientific Oxoid Aztreonam/Avibactam Disc (30/20 µg) AZA50
K250789 · Thermo Fisher Scientific (Oxoid Ltd.) · Jun 2025