Cleared Traditional

COBAS FP REAGENT APPLICATION FOR FREE VALPROIC ACID (K953224) - FDA 510(k) Clearance

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

K953224 · Roche Diagnostic Systems, Inc. · Toxicology device
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Oct 1995
Decision
139d
Days
Class 2
Risk

K953224 is an FDA 510(k) clearance for the COBAS FP REAGENT APPLICATION FOR FREE VALPROIC ACID. Classified as Enzyme Immunoassay, Valproic Acid (product code LEG), Class II - Special Controls.

Submitted by Roche Diagnostic Systems, Inc. (Branchburg, US). The FDA issued a Cleared decision on October 30, 1995 after a review of 139 days - within the typical 510(k) review window.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3645 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Toxicology review framework, consistent with the majority of Class II 510(k) submissions.

View all Roche Diagnostic Systems, Inc. devices

Submission Details

510(k) Number K953224 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 13, 1995
Decision Date October 30, 1995
Days to Decision 139 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
52d slower than avg
Panel avg: 87d · This submission: 139d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LEG Enzyme Immunoassay, Valproic Acid
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3645
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 - LEG Enzyme Immunoassay, Valproic Acid

All 34
Devices cleared under the same product code (LEG) and FDA review panel - the closest regulatory comparables to K953224.
EMIT 2000 VALPROIC ACID ASSAY, MODEL OSR4G229UL
K011947 · Syva Co. · Jul 2001
EMIT 2000 VALPROIC ACID ASSAY, EMIT 2000 VALPROIC ACID CALIBRATORS, MODEL 4G019UL, 4G109UL
K002551 · Dade Behring, Inc. · Oct 2000
IMMULITE VALPROIC ACID, IMMULITE 2000 VALPROIC ACID, CATALOG # LKVA1, LKVA5 & L2KVA2, L2KVA6
K000005 · Diagnostic Products Corp. · Mar 2000
DIMENSION(R) VALPROIC (VALP) ACID METHOD
K982880 · Dade Behring, Inc. · Aug 1998
AXSYM VALPROIC ACID
K941615 · Abbott Laboratories · Aug 1994
COBAS-FP REAGENT FOR VALPROIC ACID AND CALIBRATORS
K925003 · Roche Diagnostic Systems, Inc. · Dec 1992