Reported Reactions

Devices › Glucose dehydrogenase, glucose

Device brand name · Blood glucose monitoring system

Freestyle Flash: medical device reports filed with FDA

19,422 reports name it, 2004–2020. Manufacturer given most often on reports: Abbott Diabetes Care USA. Product code LFR.

19,422
device reports naming the brand
0.1% of all MAUDE reports · about 867 a year
0
reports, 12 months to August 2026
0 in the 12 months before
96.5%
classified as malfunction
93% across the product code
0%
classified as death, as reported
3 reports · not verified by FDA

FDA's MAUDE database holds 19,422 reports that name the brand "Freestyle Flash" (blood glucose monitoring system), received between February 2004 and November 2020; the manufacturer given most often on reports is Abbott Diabetes Care USA. Spellings of one product vary from report to report.

0 reports arrived in the 12 months to August 2026, and none in 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 malfunction (96.5%) and injury (3.4%); across all glucose dehydrogenase, glucose reports (product code LFR) death is recorded in 0% and malfunction in 93%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are use of incorrect control/treatment settings (50.5%), loss of data (24.8%) and computer operating system problem (12.9%). The patient problems coded most often are treatment with medication(s), therapy/non-surgical treatment, additional and hospitalization required. 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

No report naming Freestyle Flash was received in the five years to August 2026; the latest was received in November 2020.

By year received

07,37514,7502004: 3120042005: 1602006: 80320062007: 14,7502008: 34620082009: 3,0432010: 5320102011: 322012: 720122013: 162014: 1520142015: 202016: 4720162017: 432018: 2420182019: 242020: 82020

Event type and report source

Event type, as classified on the report

Death0%3
Injury3.4%660
Malfunction96.5%18,747
Other0%4
Not given0%8

Who filed the report

Manufacturer report100%19,419
Voluntary report0%3
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 74,282 reports carrying product code LFR. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Use of incorrect control/treatment settings9,81450.5%17.6%
Loss of data4,82024.8%6.6%
Computer operating system problem2,50212.9%3.4%
Battery problema problem with the battery2,17911.2%3%
Reset problem2,17611.2%3%
Device displays incorrect message1,7679.1%3.8%
Device issuea problem with the device1,1055.7%2.2%
Malfunction8594.4%1.6%
Incorrect or inadequate test results7623.9%25.8%
Computer hardware error5302.7%0.9%
No display/image4922.5%0.8%
Computer software problema software problem4722.4%0.9%
Battery failure2761.4%0.5%
Self-activation or keying2671.4%0.6%
High test results2281.2%4%
Failure to power up2261.2%0.3%
Display or visual feedback problem1710.9%0.3%
Blank screen1310.7%0.2%
Computer failure1180.6%0.2%
Other (for use when an appropriate device code cannot be identified)540.3%0.5%

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
Treatment with medication(s)3631.9%
Therapy/non-surgical treatment, additional3581.8%
Hospitalization required2991.5%
Loss of consciousnesspassing out2991.5%
Hypoglycemialow blood sugar2581.3%
Dizzinesslight-headedness or unsteadiness1810.9%
Seizures1100.6%
Sweating1070.6%
Hyperglycemiahigh blood sugar1040.5%
Blood glucose, low1030.5%
Shaking/tremors950.5%
Confusion/ disorientation790.4%
Fatiguetiredness640.3%
Weakness610.3%
Elevated ketones/ diabetic ketoacidosis600.3%

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

In context

MeasureFreestyle FlashProduct code LFRAll MAUDE reports
Reports19,42274,28226,136,888
Share of that pool—26.1%0.1%
Classified as death, per 1,000 reports009
Classified as injury3.4%6.9%36.2%
Classified as malfunction96.5%93%62.3%
Filed by the manufacturer100%99.8%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 LFR

BrandReportsLatest 12 monthsClassified as death
Accu-Chek Comfort Curve Test Strips13,06500%
Accu-Chek Aviva Test Strips11,07300%
Accu-Chek Compact Test Drum7,57900%
Freestyle9,490260.1%
Accu-Chek Aviva Plus Test Strips7,94700%
Accu-Chek Mobile Test Strips3,52700%
Accu-Chek Performa Test Strips3,88610%
Accu-Chek Active Test Strips1,47500%
Accu-Chek Comfort Curve4,12000.6%
FreeStyle Lite12,2444300%
Freestyle Freedom3,43060%
Accu-Chek Guide7723650%
Accu-Chek Smartview Test Strips99300%
Freestyle Navigator75400%
Accu-Chek Compact Plus Test Drum76900%

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 Freestyle Flash reports

How many FDA reports name Freestyle Flash?

19,422 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 0 in the latest 12 months.

What kinds of events are reported?

malfunction (96.5%) and injury (3.4%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

use of incorrect control/treatment settings (50.5%), loss of data (24.8%), computer operating system problem (12.9%), battery problem (11.2%) and reset problem (11.2%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%) and voluntary reports (0%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that Freestyle Flash 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.