Cleared Traditional

DSL ACTIVE ESTRADIOL RIA (DSL #4300) (K873550) - FDA 510(k) Clearance

Class I Chemistry device.

K873550 · Diagnostic Systems Laboratories, Inc. · Chemistry device
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Feb 1988
Decision
171d
Days
Class 1
Risk

K873550 is an FDA 510(k) clearance for the DSL ACTIVE ESTRADIOL RIA (DSL #4300). Classified as Radioimmunoassay, Estradiol (product code CHP), Class I - General Controls.

Submitted by Diagnostic Systems Laboratories, Inc. (Webster, US). The FDA issued a Cleared decision on February 18, 1988 after a review of 171 days - an extended review cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1260 - the FDA in vitro diagnostics and chemistry 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 Chemistry review framework, consistent with the majority of Class II 510(k) submissions.

View all Diagnostic Systems Laboratories, Inc. devices

Submission Details

510(k) Number K873550 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 31, 1987
Decision Date February 18, 1988
Days to Decision 171 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
83d slower than avg
Panel avg: 88d · This submission: 171d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code CHP Radioimmunoassay, Estradiol
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 862.1260
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.

Regulatory Peers - CHP Radioimmunoassay, Estradiol

All 49
Devices cleared under the same product code (CHP) and FDA review panel - the closest regulatory comparables to K873550.
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COTUBE ESTRADIOL RADIOIMMUNOASSAY
K931740 · Bio-Rad · Aug 1993
IMX ESTRADIOL
K920047 · Abbott Laboratories · Feb 1992