Cleared Traditional

K901510 - ENZYMATIC THEOPHYLLINE REAGENT

K901510 is the FDA 510(k) clearance for ENZYMATIC THEOPHYLLINE REAGENT by Diagnostic Chemicals, Ltd. (Usa). It is a Class 2 Toxicology device (product code KLS) cleared through the Traditional 510(k) pathway after a 74-day FDA review.

K901510 · Diagnostic Chemicals, Ltd. (Usa) · Toxicology device
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Jun 1990
Decision
74d
Days
Class 2
Risk

K901510 is an FDA 510(k) clearance for the ENZYMATIC THEOPHYLLINE REAGENT, #500-82. Classified as Enzyme Immunoassay, Theophylline (product code KLS), Class II - Special Controls.

Submitted by Diagnostic Chemicals, Ltd. (Usa) (Oxford, US). The FDA issued a Cleared decision on June 12, 1990 after a review of 74 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3880 - 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 Diagnostic Chemicals, Ltd. (Usa) devices

Submission Details

510(k) Number K901510 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 30, 1990
Decision Date June 12, 1990
Days to Decision 74 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
13d faster than avg
Panel avg: 87d · This submission: 74d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KLS Enzyme Immunoassay, Theophylline
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3880
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 - KLS Enzyme Immunoassay, Theophylline

All 55
Devices cleared under the same product code (KLS) and FDA review panel - the closest regulatory comparables to K901510.
EMIT(R) 2000 THEOPHYLLINE ASSAY/CALIBRATORS
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IL THEOPHYLLINE ASSAY SYSTEM
K910697 · Instrumentation Laboratory CO · Apr 1991
TECHNICON IMMUNO I(TM) SYSTEM AND ANALYTES
K902243 · Technicon Instruments Corp. · Jul 1990
NDS THEOPHYLLINE TEST KIT & NDS TDM CALIBRATOR SET
K900009 · Kallestad Diag, A Div. of Erbamont, Inc. · Mar 1990
VISION THEOPHYLLINE II
K896927 · Abbott Laboratories · Jan 1990
ACCULEVEL ONE-STEP THEOPHYLLINE TEST
K885253 · Syva Co. · Mar 1989