Cleared Traditional

K171883 - Sysmex UF-5000 Fully Automated Urine Particle Analyzer (FDA 510(k) Clearance)

Class II Hematology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K171883 · Sysmex America, Inc. · Hematology device
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Apr 2018
Decision
304d
Days
Class 2
Risk

K171883 is an FDA 510(k) clearance for the Sysmex UF-5000 Fully Automated Urine Particle Analyzer. Classified as Counter, Urine Particle (product code LKM), Class II - Special Controls.

Submitted by Sysmex America, Inc. (Lincolnshire, US). The FDA issued a Cleared decision on April 23, 2018 after a review of 304 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5200 - the FDA hematology device 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. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Hematology review framework, consistent with the majority of Class II 510(k) submissions.

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Submission Details

510(k) Number K171883 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 23, 2017
Decision Date April 23, 2018
Days to Decision 304 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
191d slower than avg
Panel avg: 113d · This submission: 304d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LKM Counter, Urine Particle
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5200
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 Hematology devices follow this clearance model.