Cleared Traditional

Athelas One (K181288) - FDA 510(k) Clearance

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

K181288 · Athelas, Inc. · Hematology device
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Nov 2018
Decision
173d
Days
Class 2
Risk

K181288 is an FDA 510(k) clearance for the Athelas One. Classified as Counter, Differential Cell (product code GKZ), Class II - Special Controls.

Submitted by Athelas, Inc. (Cupertino, US). The FDA issued a Cleared decision on November 5, 2018 after a review of 173 days - an extended review cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5220 - 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. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Hematology review framework, consistent with the majority of Class II 510(k) submissions.

View all Athelas, Inc. devices

Submission Details

510(k) Number K181288 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 16, 2018
Decision Date November 05, 2018
Days to Decision 173 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
60d slower than avg
Panel avg: 113d · This submission: 173d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GKZ Counter, Differential Cell
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5220
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.

Regulatory Peers - GKZ Counter, Differential Cell

All 124
Devices cleared under the same product code (GKZ) and FDA review panel - the closest regulatory comparables to K181288.
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K171655 · Roche Diagnostics Hematology, Inc. · Mar 2018
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K172604 · Sysmex America, Inc. · Nov 2017