510(k) Report

510(k) · Cleared

Cleared

Harmony Inr Monitoring System

K022922510(k) SpecialCleared Sep 30, 200226-day reviewClass II21 CFR 864.7750

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

Lifescan, Inc. · GJS Test, Time, Prothrombin

Cleared on Sep 30, 2002 as substantially equivalent to K001699 (Lifescan, Inc., 2001) after a 26-day review. Its family tree reaches back 1 generation to 2001.

Decided
Sep 30, 2002
Review
26 days
Class
Class II
Product code
GJS
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K001699 (2001). No later device cites it as a predicate yet.

K001699 · Rubicon Prothrombin Time Monitoring System · Lifescan, Inc. · 2001200020022004
  1. Root · 1 generation backK001699 Rubicon Prothrombin Time Monitoring SystemLifescan, Inc. · 2001
  2. This deviceK022922 Harmony Inr Monitoring SystemLifescan, Inc. · 2002
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K001699Rubicon Prothrombin Time Monitoring SystemLifescan, Inc.2001—
0 (this device)K022922Harmony Inr Monitoring SystemLifescan, Inc.2002—
FIG. 1 — Lineage of K022922, 2001–2002Source: 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 GJS? 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 GJS device

  1. #1 K243543 microINR Systemscore 13.4 · 6 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
*K001699Rubicon Prothrombin Time Monitoring SystemLifescan, Inc.2001—

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?

  • Its one ancestor has no recall.

How does its category compare?

All GJS devices

GJS Test, Time, Prothrombin: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GJS

3in 2025

2007: 42008: 12010: 42012: 12013: 12014: 12016: 12017: 12018: 22019: 22020: 12022: 32023: 22024: 12025: 3
2007high 4 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GJS

60in 2025

2007: 77 days median2010: 168 days median2022: 399 days median2025: 60 days median
2007high 399 (2022) · low 60 (2025)2026

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

Recalls per year · GJS

1in 2022

2007: 52008: 32009: 42010: 22011: 12012: 12013: 12014: 4, 3 Class I2017: 52018: 3, 2 Class I2020: 22021: 12022: 1
2007high 5 (2007) · low 0 (2015)2026

Class I (5 since 2007) Class II/III not classified

Adverse event reports per year · GJS

105in 2025

2007: 4392008: 4202009: 8762010: 2,1772011: 2,9652012: 2,1982013: 2,5842014: 2,3972015: 1,2602016: 8642017: 5322018: 1,9582019: 2,3852020: 1,3902021: 1,3592022: 1,2102023: 8092024: 1772025: 105
2007high 2,965 (2011) · low 105 (2025)2025

MAUDE reports naming product code GJS, 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
20074775439
20081—3420
20090—4876
2010416822,177
20110—12,965
20121—12,198
20131—12,584
20141—4 (3)2,397
20150—01,260
20161—0864
20171—5532
20182—3 (2)1,958
20192—02,385
20201—21,390
20210—11,359
2022339911,210
20232—0809
20241—0177
20253600105
20260—0—

What is it indicated for?

The Harmony INR Monitoring System is indicated for the quantitative determination of

prothrombin time (PT) in capillary whole blood by properly selected and trained patients

or their caregivers, or in capillary or venous whole blood by health care professionals,

as an aid in monitoring oral anti-coagulation therapy.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K022922: Harmony Inr Monitoring System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K022922

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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