Cleared Traditional

K953016 - AXSYM THEOPHYLLINE II (FDA 510(k) Clearance)

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

K953016 · Abbott Laboratories · Toxicology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 1995
Decision
56d
Days
Class 2
Risk

K953016 is an FDA 510(k) clearance for the AXSYM THEOPHYLLINE II. Classified as Fluorescence Polarization Immunoassay, Theophylline (product code LGS), Class II - Special Controls.

Submitted by Abbott Laboratories (Abbott Park, US). The FDA issued a Cleared decision on August 24, 1995 after a review of 56 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3880 - the FDA toxicology 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 Abbott Laboratories devices

Submission Details

510(k) Number K953016 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 29, 1995
Decision Date August 24, 1995
Days to Decision 56 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
31d faster than avg
Panel avg: 87d · This submission: 56d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LGS Fluorescence Polarization Immunoassay, Theophylline
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3880
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 Toxicology devices follow this clearance model.