Cleared Traditional

K823751 - SOPHEIA THYROXINE EIA KIT

K823751 is the FDA 510(k) clearance for SOPHEIA THYROXINE EIA KIT by Diagnostic Products Corp.. It is a Class 2 Chemistry device (product code KLI) cleared through the Traditional 510(k) pathway after a 29-day FDA review.

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Jan 1983
Decision
29d
Days
Class 2
Risk

K823751 is an FDA 510(k) clearance for the SOPHEIA THYROXINE EIA KIT. Classified as Enzyme Immunoassay, Non-radiolabeled, Total Thyroxine (product code KLI), Class II - Special Controls.

Submitted by Diagnostic Products Corp. (Mchenry, US). The FDA issued a Cleared decision on January 12, 1983 after a review of 29 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1700 - 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 Diagnostic Products Corp. devices

Submission Details

510(k) Number K823751 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 14, 1982
Decision Date January 12, 1983
Days to Decision 29 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
59d faster than avg
Panel avg: 88d · This submission: 29d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KLI Enzyme Immunoassay, Non-radiolabeled, Total Thyroxine
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1700
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 - KLI Enzyme Immunoassay, Non-radiolabeled, Total Thyroxine

All 51
Devices cleared under the same product code (KLI) and FDA review panel - the closest regulatory comparables to K823751.
STRATUS TOTAL THYROXINE FLUOROMETRIC
K834210 · American Dade · Mar 1984
TDX THYROXINE
K830683 · Abbott Laboratories · Apr 1983
PARAMOUNT THYROXINE ASSAY
K830136 · Syva Co. · Feb 1983
SYVA ADVANCE THYROXINE ASSAY
K823034 · Syva Co. · Nov 1982
ENZYMUNE-TEST T4
K820750 · Icl Scientific · Apr 1982
EMIT-TFG PRISMA THYROXINE ASSAY
K810586 · Syva Co. · Mar 1981