Cleared Traditional

K990870 - REDI-TEST THC

K990870 is an FDA 510(k) clearance for REDI-TEST THC, manufactured by Redwood Biotech, Inc.. The device is a Class 2 Toxicology device with product code LDJ cleared through the Traditional 510(k) pathway after a 42-day FDA review.

K990870 · Redwood Biotech, Inc. · Toxicology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Apr 1999
Decision
42d
Days
Class 2
Risk

K990870 is an FDA 510(k) clearance for the REDI-TEST THC. Classified as Enzyme Immunoassay, Cannabinoids (product code LDJ), Class II - Special Controls.

Submitted by Redwood Biotech, Inc. (Sunnyvale, US). The FDA issued a Cleared decision on April 27, 1999 after a review of 42 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3870 - 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 Redwood Biotech, Inc. devices

FDA 510(k) Submission Details - K990870

510(k) Number K990870 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 16, 1999
Decision Date April 27, 1999
Days to Decision 42 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
45d faster than avg
Panel avg: 87d · This submission: 42d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LDJ Device Classification - Class 2, Special Controls

Product Code LDJ Enzyme Immunoassay, Cannabinoids
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3870
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 - LDJ Enzyme Immunoassay, Cannabinoids

All 124
Devices cleared under the same product code (LDJ) and FDA review panel - the closest regulatory comparables to K990870.
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UBI MAGIWEL MARIJUANA METABOLITES
K973154 · United Biotech, Inc. · Jul 1998