Cleared Special

K993100 - REDI-SCREEN

K993100 is the FDA 510(k) clearance for REDI-SCREEN by Redwood Biotech, Inc.. It is a Class 2 Toxicology device (product code DJC) cleared through the Special 510(k) pathway after a 20-day FDA review.

K993100 · Redwood Biotech, Inc. · Toxicology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Oct 1999
Decision
20d
Days
Class 2
Risk

K993100 is an FDA 510(k) clearance for the REDI-SCREEN. Classified as Thin Layer Chromatography, Methamphetamine (product code DJC), Class II - Special Controls.

Submitted by Redwood Biotech, Inc. (Mountian View, US). The FDA issued a Cleared decision on October 6, 1999 after a review of 20 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3610 - the FDA toxicology device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Redwood Biotech, Inc. devices

Submission Details

510(k) Number K993100 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 16, 1999
Decision Date October 06, 1999
Days to Decision 20 days
Submission Type Special
Review Panel Toxicology (TX)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
67d faster than avg
Panel avg: 87d · This submission: 20d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code DJC Thin Layer Chromatography, Methamphetamine
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3610
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 - DJC Thin Layer Chromatography, Methamphetamine

All 15
Devices cleared under the same product code (DJC) and FDA review panel - the closest regulatory comparables to K993100.
INSTANT-VIEW METHAMPHETAMINE URINE DIP STRIP TEST
K994406 · Alfa Scientific Designs, Inc. · Aug 2000
INSTANT-VIEW METHAMPHETAMINE URINE CASSETTE TEST
K994400 · Alfa Scientific Designs, Inc. · Aug 2000
ONTRAK TESTCUP PRO-5, MODEL 1986678
K001356 · Roche Diagnostics Corp. · Jul 2000
DIALYSIS SYS., PDS 400 & RO 400
K781156 · Physio-Control Corp. · Oct 1978
KIDNEY, ARTIFICIAL
K781153 · Bd Becton Dickinson Vacutainer Systems Preanalytic · Oct 1978
KIDNEY, ARTIFICIAL, C-DAK 2.0
K781237 · Cordis Corp. · Aug 1978