510(k) Report

510(k) · Cleared

Cleared

Athelas Home

K200828510(k) TraditionalCleared Mar 22, 2022722-day reviewClass II21 CFR 864.5220

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Athelas, Inc. · GKZ Counter, Differential Cell

Cleared on Mar 22, 2022 as substantially equivalent to K181288 (Athelas, Inc., 2018) after a 722-day review. Its family tree reaches back 3 generations to 2004. 1 later device descends from it.

Decided
Mar 22, 2022
Review
722 days
Class
Class II
Product code
GKZ
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K040073 (2004). 1 later device descends from it, 1 citing it directly.

  1. Root · 3 generations backK040073 Sysmex Automated Hematology Analyzer, XE-2100 Series (XE-2100…Sysmex America, Inc. · 2004
  2. 2 generations backK071967 Sysmex XE-5000Sysmex America, Inc. · 2007 · Recalled
  3. 1 generation backK181288 Athelas OneAthelas, Inc. · 2018
  4. This deviceK200828 Athelas HomeAthelas, Inc. · 2022
  5. Descendant · cites it directly · 0 of its ownK243348 Athelas HomeAthelas, Inc. · 2026

Most influential descendants

Showing 1 of 1 · See all
  • K243348Athelas HomeAthelas, Inc. · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K040073Sysmex Automated Hematology Analyzer, XE-2100 Series (XE-2100, XE-2100L)Sysmex America, Inc.2004—
−2K071967Sysmex XE-5000Sysmex America, Inc.20071
−1K181288Athelas OneAthelas, Inc.2018—
0 (this device)K200828Athelas HomeAthelas, Inc.2022—
+1K243348Athelas HomeAthelas, Inc.2026—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K200828, 2004–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in GKZ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new GKZ device

  1. #1 K250943 Sysmex XR-Series (XR-10) Automated Hematology…score 13.2 · 3 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K181288Athelas One
Summary page 5
…sed by a single person and should not be shared. Prescription Use Only. Substantial Equivalence: Predicate: Athelas One, Automated Haematology Analyzer (K181288) Comparison with predicate: Similarities Item Device: Athel…
Athelas, Inc.2018—
†K112605Sysmex XN-SeriesSysmex America, Inc.20122

Also cleared against K181288: 1 other device →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K243348Athelas HomeAthelas, Inc.20260

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 18 years and passes through 2 companies; a new generation was cleared every 3.7 years on median.
  • 1 of the 3 ancestors has a recall of any class.
  • Of its descendants, K243348 (Athelas, Inc., 2026) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K181288.

How does its category compare?

All GKZ devices

GKZ Counter, Differential Cell: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · GKZ

4in 2025

2007: 62008: 62009: 62010: 42011: 32012: 32013: 12014: 32015: 32016: 32017: 42018: 32019: 52020: 12022: 32023: 42024: 32025: 42026 (partial year): 4
2007high 6 (2007) · low 0 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GKZ

108in 2025

2007: 117 days median2008: 99 days median2009: 147 days median2010: 290 days median2011: 315 days median2012: 408 days median2014: 165 days median2015: 273 days median2016: 198 days median2017: 280 days median2018: 270 days median2019: 210 days median2022: 638 days median2023: 329 days median2024: 157 days median2025: 108 days median2026 (partial year): 254 days median
2007high 638 (2022) · low 99 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · GKZ

1in 2025

2007: 372008: 52009: 132010: 272011: 282012: 72013: 62015: 32016: 32017: 32018: 2, 2 Class I2019: 22020: 12022: 42023: 12025: 1
2007high 37 (2007) · low 0 (2014)2026

Class I (2 since 2007) Class II/III not classified

Adverse event reports per year · GKZ

77in 2025

2007: 2682008: 9252009: 5592010: 8962011: 2,9052012: 2,9592013: 3,0702014: 3,1122015: 1,9722016: 3,3382017: 2292018: 4972019: 9082020: 3422021: 3912022: 1982023: 1552024: 1152025: 77
2007high 3,338 (2016) · low 77 (2025)2025

MAUDE reports naming product code GKZ, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007611737268
20086995925
2009614713559
2010429027896
20113315282,905
2012340872,959
20131—63,070
2014316503,112
2015327331,972
2016319833,338
201742803229
201832702 (2)497
201952102908
20201—1342
20210—0391
202236384198
202343291155
202431570115
20254108177
202642540—

What is it indicated for?

The Athelas Home is indicated for the quantitative determination of white blood cells (WBC) and Neutrophil percentages (NEUT%) in capillary whole blood. The Athelas Home system is for In Vitro Diagnostic use and for prescription use only. The Athelas Home is only to be used with Athelas Home Test Strips. The Athelas Home is indicated for use by patients and caregivers within home settings with results viewable by health care professionals. The Athelas…

Read the full statement (182 words)

The Athelas Home is indicated for the quantitative determination of white blood cells (WBC) and Neutrophil percentages (NEUT%) in capillary whole blood. The Athelas Home system is for In Vitro Diagnostic use and for prescription use only. The Athelas Home is only to be used with Athelas Home Test Strips. The Athelas Home is indicated for use by patients and caregivers within home settings with results viewable by health care professionals. The Athelas Home is intended for patients at risk of neutropenia. For patients with psychiatric conditions, clinical judgement should be exercised when deciding the end-user, based on the instructions for use (IFU) of Athelas Home, the treating physician should determine which patients are competent to perform the test by themselves. The Athelas Home is indicated for adult populations only (aged 21 and older).

Results obtained with the Athelas Home should not be the sole basis for patient diagnosis, treatment or management of leukopenia and neutropenia. All results should be evaluated by a healthcare provider.

The Athelas Home is intended to be used by a single person and should not be shared.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K200828: Athelas Home.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K200828

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026