Cleared Traditional

K844181 - ACTH RIA

K844181 is an FDA 510(k) clearance for ACTH RIA, manufactured by Syncor Intl. Corp.. The device is a Class 2 Chemistry device with product code CKG cleared through the Traditional 510(k) pathway after a 32-day FDA review.

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Nov 1984
Decision
32d
Days
Class 2
Risk

K844181 is an FDA 510(k) clearance for the ACTH RIA. Classified as Radioimmunoassay, Acth (product code CKG), Class II - Special Controls.

Submitted by Syncor Intl. Corp. (Sylmar, US). The FDA issued a Cleared decision on November 27, 1984 after a review of 32 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1025 - 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 Syncor Intl. Corp. devices

FDA 510(k) Submission Details - K844181

510(k) Number K844181 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 26, 1984
Decision Date November 27, 1984
Days to Decision 32 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
56d faster than avg
Panel avg: 88d · This submission: 32d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

CKG Device Classification - Class 2, Special Controls

Product Code CKG Radioimmunoassay, Acth
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1025
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 Chemistry devices follow this clearance model.

Regulatory Peers - CKG Radioimmunoassay, Acth

All 14
Devices cleared under the same product code (CKG) and FDA review panel - the closest regulatory comparables to K844181.
MODIFIED DSL-2300 ACTH RIA
K900147 · Diagnostic Systems Laboratories, Inc. · Mar 1990
ALLEGRO ACTH IMMUNOASSAY KIT 65 AND 130 TUBES
K882741 · Nichols Institute Diagnostics · Aug 1988
ACTH II BY RADIOIMMUNOASSAY
K850882 · Immuno Nuclear Corp. · Mar 1985
ACTH NORMAL RANGE
K842249 · Diagnostic Systems Laboratories, Inc. · Aug 1984
DPC ACTH KIT
K840018 · Diagnostic Products Corp. · Mar 1984
ACTH RIA
K833849 · Syncor Intl. Corp. · Jan 1984