Reported Reactions

Devices › Recorder, event, implantable cardiac, (with arrhythmia detection)

Device brand name · Insertable cardiac monitor

LUX-Dx Insertable Cardiac Monitor: medical device reports filed with FDA

660 reports name it, 2021–2026. Manufacturer given most often on reports: Boston Scientific. Product code MXD.

660
device reports naming the brand
0% of all MAUDE reports · about 120 a year
83
reports, 12 months to August 2026
79 in the 12 months before
10.2%
classified as malfunction
82.8% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

660 medical device reports received by FDA name the brand "LUX-Dx Insertable Cardiac Monitor" (insertable cardiac monitor); the manufacturer given most often on reports is Boston Scientific; received from January 2021 to August 2026. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.

83 reports arrived in the 12 months to August 2026, close to the 79 of the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are injury (89.8%) and malfunction (10.2%); across all recorder, event, implantable cardiac, (with arrhythmia detection) reports (product code MXD) death is recorded in 0% and malfunction in 82.8%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are premature discharge of battery (21.4%), communication or transmission problem (7.6%) and signal artifact/noise (5%). The patient problems coded most often are wound dehiscence, erosion and discomfort. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

01325Sep 2021: 0Oct 2021: 25Nov 2021: 2Dec 2021: 42022Jan 2022: 17Feb 2022: 11Mar 2022: 0Apr 2022: 24May 2022: 16Jun 2022: 11Jul 2022: 9Aug 2022: 12Sep 2022: 7Oct 2022: 10Nov 2022: 9Dec 2022: 172023Jan 2023: 16Feb 2023: 13Mar 2023: 11Apr 2023: 12May 2023: 12Jun 2023: 9Jul 2023: 9Aug 2023: 14Sep 2023: 9Oct 2023: 9Nov 2023: 19Dec 2023: 142024Jan 2024: 17Feb 2024: 19Mar 2024: 9Apr 2024: 19May 2024: 11Jun 2024: 15Jul 2024: 21Aug 2024: 14Sep 2024: 15Oct 2024: 17Nov 2024: 6Dec 2024: 22025Jan 2025: 1Feb 2025: 4Mar 2025: 3Apr 2025: 5May 2025: 4Jun 2025: 8Jul 2025: 1Aug 2025: 13Sep 2025: 21Oct 2025: 6Nov 2025: 7Dec 2025: 112026Jan 2026: 3Feb 2026: 5Mar 2026: 7Apr 2026: 4May 2026: 9Jun 2026: 3Jul 2026: 3Aug 2026: 4

Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.

By year received

0831652021: 8320212022: 14320222023: 14720232024: 16520242025: 8420252026: 382026

Event type and report source

Event type, as classified on the report

Death0%0
Injury89.8%593
Malfunction10.2%67
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%660
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 12,977 reports carrying product code MXD. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Premature discharge of battery14121.4%14.8%
Communication or transmission problemthe device could not communicate or transmit507.6%3.2%
Signal artifact/noise335%8.5%
Migrationthe device moved from where it was placed324.8%0.6%
False positive result314.7%0.4%
Under-sensing274.1%7.6%
Failure to read input signal223.3%0.3%
Device displays incorrect message182.7%0.2%
Device sensing problem121.8%5.3%
Difficult to insertthe device was hard to insert81.2%0.1%
Malposition of device81.2%0.1%
Incorrect, inadequate or imprecise result or readings71.1%0.2%
Defective devicethe device was defective60.9%0.1%
Difficult or delayed positioning60.9%0%
Off-label use60.9%0%
Material integrity problema problem with the device material50.8%0.1%
Nonstandard device50.8%0.1%
Over-sensing50.8%5.9%
Data problem40.6%5.3%
Human-device interface problem40.6%0%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)ReportsShare
Wound dehiscencea wound reopened16224.5%
Erosion477.1%
Discomfortdiscomfort365.5%
Painpain, site not specified233.5%
Hemorrhage/blood loss/bleeding213.2%
Implant pain182.7%
Pocket erosion132%
Impaired healingslow healing91.4%
Twiddlers syndrome91.4%
Fluid discharge60.9%
Rashskin rash50.8%
Swelling/ edema50.8%
Hypersensitivity/allergic reaction40.6%
Bacterial infectiona bacterial infection30.5%
Burning sensationa burning feeling30.5%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureLUX-Dx Insertable Cardiac MonitorProduct code MXDAll MAUDE reports
Reports66012,97726,136,888
Share of that pool—5.1%0%
Classified as death, per 1,000 reports009
Classified as injury89.8%17.2%36.2%
Classified as malfunction10.2%82.8%62.3%
Filed by the manufacturer100%99.6%94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code MXD

BrandReportsLatest 12 monthsClassified as death
BIOMONITOR IIIm435660%
Biomonitor 2-Af23100.4%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about LUX-Dx Insertable Cardiac Monitor reports

How many FDA reports name LUX-Dx Insertable Cardiac Monitor?

660 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 83 in the latest 12 months.

What kinds of events are reported?

injury (89.8%) and malfunction (10.2%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

premature discharge of battery (21.4%), communication or transmission problem (7.6%), signal artifact/noise (5%), migration (4.8%) and false positive result (4.7%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that LUX-Dx Insertable Cardiac Monitor was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.