Cleared Traditional

K984181 - THE APTUS (AUTOMATED) APPLICATION OF THE VZV IGG ELISA TEST SYSTEM (FDA 510(k) Clearance)

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

K984181 · Zeus Scientific, Inc. · Microbiology device
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Jan 1999
Decision
60d
Days
Class 2
Risk

K984181 is an FDA 510(k) clearance for the THE APTUS (AUTOMATED) APPLICATION OF THE VZV IGG ELISA TEST SYSTEM. Classified as Enzyme Linked Immunoabsorbent Assay, Varicella-zoster (product code LFY), Class II - Special Controls.

Submitted by Zeus Scientific, Inc. (Branchburg, US). The FDA issued a Cleared decision on January 22, 1999 after a review of 60 days - a notably fast clearance cycle.

This device falls under the Microbiology FDA review panel, regulated under 21 CFR 866.3900 - 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

Submission Details

510(k) Number K984181 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 23, 1998
Decision Date January 22, 1999
Days to Decision 60 days
Submission Type Traditional
Review Panel Microbiology (MI)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
42d faster than avg
Panel avg: 102d · This submission: 60d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LFY Enzyme Linked Immunoabsorbent Assay, Varicella-zoster
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.3900
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.