Cleared Traditional

K983465 - THE APTUS (AUTOMATED) APPLICATION OF THE SM/RNP ELISA TEST SYSTEM. AN ENZYME LINKED IMMUNOSORBENT ASSAY (ELISA) FOR THE (FDA 510(k) Clearance)

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

K983465 · Zeus Scientific, Inc. · Immunology device
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Nov 1998
Decision
48d
Days
Class 2
Risk

K983465 is an FDA 510(k) clearance for the THE APTUS (AUTOMATED) APPLICATION OF THE SM/RNP ELISA TEST SYSTEM. AN ENZYME .... Classified as Anti-rnp Antibody, Antigen And Control (product code LKO), Class II - Special Controls.

Submitted by Zeus Scientific, Inc. (Raritan, US). The FDA issued a Cleared decision on November 18, 1998 after a review of 48 days - a notably fast clearance cycle.

This device falls under the Immunology FDA review panel, regulated under 21 CFR 866.5100 - 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: 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

Submission Details

510(k) Number K983465 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 01, 1998
Decision Date November 18, 1998
Days to Decision 48 days
Submission Type Traditional
Review Panel Immunology (IM)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
56d faster than avg
Panel avg: 104d · This submission: 48d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LKO Anti-rnp Antibody, Antigen And Control
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.5100
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.