510(k) Report

510(k) · Cleared

Cleared

ARK Lacosamide Assay

K201089510(k) TraditionalCleared Aug 5, 2021469-day reviewClass II21 CFR 862.3350

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

Ark Diagnostics, Inc. · NWM Immunoassay, Anti-Seizure Drug

Cleared on Aug 5, 2021 as substantially equivalent to K083799 (Ark Diagnostics, Inc., 2009) after a 469-day review. Its family tree reaches back 3 generations to 1997.

Decided
Aug 5, 2021
Review
469 days
Class
Class II
Product code
NWM
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K970510 (1997). 5 ancestors in all, the oldest K970509 (1997). No later device cites it as a predicate yet.

  1. Root · 3 generations backK970510 Innoflour Topiramate Reagent SetOxis Intl., Inc. · 1997
  2. 2 generations backK070645 Seradyn QMS TopiramateSeradyn, Inc. · 2007
  3. 1 generation backK083799 Topiramate Assay, Ark Topiramate Calibrator and Ark Topiramate…Ark Diagnostics, Inc. · 2009
  4. This deviceK201089 ARK Lacosamide AssayArk Diagnostics, Inc. · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K970510Innoflour Topiramate Reagent SetOxis Intl., Inc.1997—
−2K070645Seradyn QMS TopiramateSeradyn, Inc.2007—
−1K083799Topiramate Assay, Ark Topiramate Calibrator and Ark Topiramate Control, Models…Ark Diagnostics, Inc.2009—
0 (this device)K201089ARK Lacosamide AssayArk Diagnostics, Inc.2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199720
FIG. 1 — Lineage of K201089, 1997–2021Source: 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 NWM? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin 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
*K083799Topiramate Assay, Ark Topiramate Calibrator and Ark Topiramate Control, Models…
Summary page 5
…807.92 (a)(3): Identification of the legally marketed predicate device Predicate Device Name: ARK™ Topiramate Assay Predicate 510(k) Number: K083799 807.92 (a)(4): Device Description The ARK Lacosamide Assay is a homogeneous enzyme immunoassay based on competition between dr…
Ark Diagnostics, Inc.2009—

Also cleared against K083799: 3 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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 24 years and passes through 3 companies; a new generation was cleared every 10.0 years on median.
  • None of the 5 ancestors has a recall.
  • 3 other devices also cite its predicate K083799.

How does its category compare?

All NWM devices

NWM Immunoassay, Anti-Seizure Drug: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · NWM

1in 2021

2007: 12009: 22021: 1
2007high 2 (2009) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NWM

Too few NWM 510(k)s in any year since 2007 to give a median.

Recalls per year · NWM

No recall names NWM since 2007.

Adverse event reports per year · NWM

1in 2024

2024: 1
2007high 1 (2024) · low 0 (2007)2025

MAUDE reports naming product code NWM, 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
20071—00
20080—00
20092—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20211—00
20220—00
20230—00
20240—01
20250—00
20260—0—

What is it indicated for?

The ARK Lacosamide Assay is a homogeneous enzyme immunoassay intended for the quantitative determination of lacosamide in human serum on automated clinical chemistry analyzers. The measurements obtained are used in monitoring levels of lacosamide to help ensure appropriate therapy.

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. “K201089: ARK Lacosamide Assay.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K201089

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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