Cleared Traditional

K033426 - LIAISON N-TACT PTH

K033426 is the FDA 510(k) clearance for LIAISON N-TACT PTH by DiaSorin, Inc.. It is a Class 2 Chemistry device (product code CEW) cleared through the Traditional 510(k) pathway after a 108-day FDA review.

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Feb 2004
Decision
108d
Days
Class 2
Risk

K033426 is an FDA 510(k) clearance for the LIAISON N-TACT PTH. Classified as Radioimmunoassay, Parathyroid Hormone (product code CEW), Class II - Special Controls.

Submitted by DiaSorin, Inc. (Stillwater, US). The FDA issued a Cleared decision on February 12, 2004 after a review of 108 days - within the typical 510(k) review window.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1545 - 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 DiaSorin, Inc. devices

Submission Details

510(k) Number K033426 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 27, 2003
Decision Date February 12, 2004
Days to Decision 108 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
20d slower than avg
Panel avg: 88d · This submission: 108d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CEW Radioimmunoassay, Parathyroid Hormone
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.1545
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 - CEW Radioimmunoassay, Parathyroid Hormone

All 50
Devices cleared under the same product code (CEW) and FDA review panel - the closest regulatory comparables to K033426.
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