Cleared Traditional

(125I) TESTOSTERONE KIT (K791999) - FDA 510(k) Clearance

Class I Chemistry device.

K791999 · Radioassay Systems Laboratories, Inc. · Chemistry device
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Oct 1979
Decision
25d
Days
Class 1
Risk

K791999 is an FDA 510(k) clearance for the (125I) TESTOSTERONE KIT. Classified as Radioimmunoassay, Testosterones And Dihydrotestosterone (product code CDZ), Class I - General Controls.

Submitted by Radioassay Systems Laboratories, Inc. (Mchenry, US). The FDA issued a Cleared decision on October 30, 1979 after a review of 25 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1680 - 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: 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 Radioassay Systems Laboratories, Inc. devices

Submission Details

510(k) Number K791999 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 05, 1979
Decision Date October 30, 1979
Days to Decision 25 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
63d faster than avg
Panel avg: 88d · This submission: 25d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code CDZ Radioimmunoassay, Testosterones And Dihydrotestosterone
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 862.1680
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 - CDZ Radioimmunoassay, Testosterones And Dihydrotestosterone

All 30
Devices cleared under the same product code (CDZ) and FDA review panel - the closest regulatory comparables to K791999.
COAT-A-COUNT FREE TESTOSTERONE KIT & COMPONENTS
K844423 · Diagnostic Products Corp. · Feb 1985
COAT-A-COUNT NO-EXTRACTION TESTOSTERONE
K831342 · Diagnostic Products Corp. · Jun 1983
COAT-A-COUNT TESTOSTERONE RIA KIT
K813401 · Diagnostic Products Corp. · Dec 1981
TESTOSTERONE RIA KIT (125I)
K772191 · Diagnostic Products Corp. · Jan 1978