Cleared Traditional

K984123 - THE APTUS (AUTOMATED) APPLICATION OF TH...

K984123 is an FDA 510(k) clearance for THE APTUS (AUTOMATED) APPLICATION OF TH..., manufactured by Zeus Scientific, Inc.. The device is a Class 2 Microbiology device with product code LHL cleared through the Traditional 510(k) pathway after a 54-day FDA review.

K984123 · Zeus Scientific, Inc. · Microbiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jan 1999
Decision
54d
Days
Class 2
Risk

K984123 is an FDA 510(k) clearance for the THE APTUS (AUTOMATED) APPLICATION OF THE LEGIONELLA IGG/A/M (ELISA) TEST SYST.... Classified as Reagents, Antibody, Legionella, Direct & Indirect Fluorescent (product code LHL), Class II - Special Controls.

Submitted by Zeus Scientific, Inc. (Branchburg, US). The FDA issued a Cleared decision on January 11, 1999 after a review of 54 days - a notably fast clearance cycle.

This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.3300 - 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 Zeus Scientific, Inc. devices

FDA 510(k) Submission Details - K984123

510(k) Number K984123 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 18, 1998
Decision Date January 11, 1999
Days to Decision 54 days
Submission Type Traditional
Review Panel Microbiology (MI)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
48d faster than avg
Panel avg: 102d · This submission: 54d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LHL Device Classification - Class 2, Special Controls

Product Code LHL Reagents, Antibody, Legionella, Direct & Indirect Fluorescent
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.3300
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 - LHL Reagents, Antibody, Legionella, Direct & Indirect Fluorescent

All 8
Devices cleared under the same product code (LHL) and FDA review panel - the closest regulatory comparables to K984123.
LEGIONELLA ELISA TEST SYSTEM
K970149 · Zeus Scientific, Inc. · Jun 1997
LEGIONELLA IGG/IGM ELISA TEST SYSTEM
K963318 · Armkel, LLC · Mar 1997
LEGIONELLA REAGENS FOR DIRECT FLUORESCENT ANTIBODY
K921421 · Pro-Lab, Inc. · Jul 1992
DU PONT LEGIONELLA URINARY ANTIGEN - RIA KIT
K871328 · E.I. Dupont DE Nemours & Co., Inc. · Sep 1987
LEGIONELLA PNEUMOPHILA SER. 1 ANTIGEN LATEX TEST
K864006 · Medical Diagnostic Technologies, Inc. · Apr 1987
POLYVALENT FLUORESCENT ANTIBODY REAGENTS FOR LEGIO
K854108 · Medical Diagnostic Technologies, Inc. · Nov 1985