Cleared Traditional

K930050 - SIA THYROID STIMULATING HORMONE ELISA KIT

K930050 is an FDA 510(k) clearance for SIA THYROID STIMULATING HORMONE ELISA KIT, manufactured by Sigma Chemical Co.. The device is a Class 2 Chemistry device with product code JLW cleared through the Traditional 510(k) pathway after a 226-day FDA review.

K930050 · Sigma Chemical Co. · Chemistry device
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Aug 1993
Decision
226d
Days
Class 2
Risk

K930050 is an FDA 510(k) clearance for the SIA THYROID STIMULATING HORMONE ELISA KIT. Classified as Radioimmunoassay, Thyroid-stimulating Hormone (product code JLW), Class II - Special Controls.

Submitted by Sigma Chemical Co. (St. Louis, US). The FDA issued a Cleared decision on August 19, 1993 after a review of 226 days - an extended review cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1690 - 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 Sigma Chemical Co. devices

FDA 510(k) Submission Details - K930050

510(k) Number K930050 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 05, 1993
Decision Date August 19, 1993
Days to Decision 226 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
138d slower than avg
Panel avg: 88d · This submission: 226d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

JLW Device Classification - Class 2, Special Controls

Product Code JLW Radioimmunoassay, Thyroid-stimulating Hormone
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1690
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 - JLW Radioimmunoassay, Thyroid-stimulating Hormone

All 199
Devices cleared under the same product code (JLW) and FDA review panel - the closest regulatory comparables to K930050.
AXSYM ULTRASENSITIVE HTSH
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K930776 · Roche Diagnostic Systems, Inc. · Dec 1993
RADIAS TSH ENZYME IMMUNOASSAY
K931061 · Bio-Rad · Jun 1993
NATIONAL SCREENING INSTITUTE MICRO-PLATE TSH ASSAY
K923532 · Solarcare Technologies Corp,Inc. · Mar 1993
ACCESS HTSH ASSAY
K925637 · Bio-Rad Laboratories, Inc. · Mar 1993