Cleared Traditional

AXSYM BARBITURATES II U (K951253) - FDA 510(k) Clearance

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

K951253 · Abbott Laboratories · Toxicology device
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Optimized for regulatory review, auditing and printing
May 1995
Decision
58d
Days
Class 2
Risk

K951253 is an FDA 510(k) clearance for the AXSYM BARBITURATES II U. Classified as Enzyme Immunoassay, Barbiturate (product code DIS), Class II - Special Controls.

Submitted by Abbott Laboratories (Abbott Park, US). The FDA issued a Cleared decision on May 18, 1995 after a review of 58 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3150 - 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 K951253 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 21, 1995
Decision Date May 18, 1995
Days to Decision 58 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
29d faster than avg
Panel avg: 87d · This submission: 58d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DIS Enzyme Immunoassay, Barbiturate
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3150
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.

Regulatory Peers - DIS Enzyme Immunoassay, Barbiturate

All 41
Devices cleared under the same product code (DIS) and FDA review panel - the closest regulatory comparables to K951253.
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K935116 · Syva Co. · Feb 1995
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K944075 · Beckman Instruments, Inc. · Dec 1994