Cleared Traditional

K895567 - PRIMIDONE (FPIA) KIT

K895567 is an FDA 510(k) clearance for PRIMIDONE (FPIA) KIT, manufactured by Tudor Laboratories, Inc.. The device is a Class 2 Toxicology device with product code LFT cleared through the Traditional 510(k) pathway after a 44-day FDA review.

K895567 · Tudor Laboratories, Inc. · Toxicology device
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Oct 1989
Decision
44d
Days
Class 2
Risk

K895567 is an FDA 510(k) clearance for the PRIMIDONE (FPIA) KIT. Classified as Fluorescent Immunoassay, Primidone (product code LFT), Class II - Special Controls.

Submitted by Tudor Laboratories, Inc. (Dallas, US). The FDA issued a Cleared decision on October 20, 1989 after a review of 44 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3680 - 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 Tudor Laboratories, Inc. devices

FDA 510(k) Submission Details - K895567

510(k) Number K895567 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 06, 1989
Decision Date October 20, 1989
Days to Decision 44 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
43d faster than avg
Panel avg: 87d · This submission: 44d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LFT Device Classification - Class 2, Special Controls

Product Code LFT Fluorescent Immunoassay, Primidone
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3680
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 - LFT Fluorescent Immunoassay, Primidone

All 7
Devices cleared under the same product code (LFT) and FDA review panel - the closest regulatory comparables to K895567.
PRIMIDONE FPIA REAGENT SET AND CALIBRATORS
K950028 · Sigma Diagnostics, Inc. · Mar 1995
STRATUS PRIMIDONE FLUOROMETRIC ENZYME
K904683 · Baxter Healthcare Corp · Nov 1990
COBAS FP REAGEN FOR PRIMIDONE & PRIMI CALIBRATORS
K852318 · Roche Diagnostic Systems, Inc. · Jun 1985
STRATUS PRIMIDONE FLOROMETRIC ENZY
K842196 · American Dade · Jul 1984
ADVANCE EMIT-AED PRIMEDONE ASSAY
K823741 · Syva Co. · Jan 1983
PRIMIDONE FLUORESCENT IMMUNOASSAY
K822229 · American Diagnostic Corp. · Aug 1982