Cleared Traditional

COBAS REAGENTS PHENOBARBITAL & PHENOBAR (K843825) - FDA 510(k) Clearance

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

K843825 · Roche Diagnostic Systems, Inc. · Toxicology device
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Feb 1985
Decision
126d
Days
Class 2
Risk

K843825 is an FDA 510(k) clearance for the COBAS REAGENTS PHENOBARBITAL & PHENOBAR. Classified as Fluorescence Polarization Immunoassay, Phenobarbital (product code LGQ), Class II - Special Controls.

Submitted by Roche Diagnostic Systems, Inc. (Mchenry, US). The FDA issued a Cleared decision on February 1, 1985 after a review of 126 days - within the typical 510(k) review window.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3660 - 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 K843825 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 28, 1984
Decision Date February 01, 1985
Days to Decision 126 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
39d slower than avg
Panel avg: 87d · This submission: 126d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LGQ Fluorescence Polarization Immunoassay, Phenobarbital
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3660
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 - LGQ Fluorescence Polarization Immunoassay, Phenobarbital

All 11
Devices cleared under the same product code (LGQ) and FDA review panel - the closest regulatory comparables to K843825.
AXSYM PHENOBARBITAL
K940596 · Abbott Laboratories · Jun 1994
COBAS-FP REAGENT FOR PHENOBARBITAL AND COBAS-FP PHENOBARBITAL CALIBRATORS
K936130 · Roche Diagnostic Systems, Inc. · Mar 1994
COBAS FP REAGENTS FOR PHENO & COBAS FP PHENO CALI.
K872397 · Roche Diagnostic Systems, Inc. · Jul 1987
TDX BARBITURATES
K854044 · Abbott Laboratories · Oct 1985