Cleared Traditional

K923401 - DELFIA HTSH ULTRA KIT

K923401 is an FDA 510(k) clearance for DELFIA HTSH ULTRA KIT, manufactured by Wallac OY. The device is a Class 2 Chemistry device with product code JLW cleared through the Traditional 510(k) pathway after a 143-day FDA review.

K923401 · Wallac OY · Chemistry device
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Nov 1992
Decision
143d
Days
Class 2
Risk

K923401 is an FDA 510(k) clearance for the DELFIA HTSH ULTRA KIT. Classified as Radioimmunoassay, Thyroid-stimulating Hormone (product code JLW), Class II - Special Controls.

Submitted by Wallac OY (Finland, FI). The FDA issued a Cleared decision on November 30, 1992 after a review of 143 days - within the typical 510(k) review window.

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 Wallac OY devices

FDA 510(k) Submission Details - K923401

510(k) Number K923401 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 10, 1992
Decision Date November 30, 1992
Days to Decision 143 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
55d slower than avg
Panel avg: 88d · This submission: 143d
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 K923401.
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