Reported Reactions

Devices › System, test, blood glucose, over the counter

Device brand name · Blood glucose monitoring system

FreeStyle Neo: medical device reports filed with FDA

2,894 reports name it, 2025–2026. Manufacturer given most often on reports: Abbott Diabetes Care. Product code NBW.

2,894
device reports naming the brand
0% of all MAUDE reports · about 2,175 a year
2,200
reports, 12 months to August 2026
694 in the 12 months before
99.8%
classified as malfunction
90.4% across the product code
0%
classified as death, as reported
0 reports · not verified by FDA

FDA's MAUDE database holds 2,894 reports that name the brand "FreeStyle Neo" (blood glucose monitoring system), received between March 2025 and August 2026; the manufacturer given most often on reports is Abbott Diabetes Care. Spellings of one product vary from report to report.

2,200 reports arrived in the 12 months to August 2026, up 217% from 694 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 (99.8%) and injury (0.2%); across all system, test, blood glucose, over the counter reports (product code NBW) death is recorded in 0% and malfunction in 90.4%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are failure to power up (96.1%), incorrect, inadequate or imprecise result or readings (4.7%) and low readings (0.1%). The patient problems coded most often are hyperglycemia, hypoglycemia and loss of consciousness. 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

0134268Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 0Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 0Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 0Apr 2023: 0May 2023: 0Jun 2023: 0Jul 2023: 0Aug 2023: 0Sep 2023: 0Oct 2023: 0Nov 2023: 0Dec 2023: 02024Jan 2024: 0Feb 2024: 0Mar 2024: 0Apr 2024: 0May 2024: 0Jun 2024: 0Jul 2024: 0Aug 2024: 0Sep 2024: 0Oct 2024: 0Nov 2024: 0Dec 2024: 02025Jan 2025: 0Feb 2025: 0Mar 2025: 8Apr 2025: 124May 2025: 87Jun 2025: 118Jul 2025: 157Aug 2025: 200Sep 2025: 190Oct 2025: 213Nov 2025: 179Dec 2025: 1612026Jan 2026: 268Feb 2026: 163Mar 2026: 119Apr 2026: 199May 2026: 147Jun 2026: 177Jul 2026: 178Aug 2026: 206

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.

Event type and report source

Event type, as classified on the report

Death0%0
Injury0.2%6
Malfunction99.8%2,888
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%2,894
Voluntary report0%0
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 431,760 reports carrying product code NBW. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Failure to power up2,78096.1%19.5%
Incorrect, inadequate or imprecise result or readings1374.7%5.6%
Low readingsreadings were too low20.1%0.3%
High readingsreadings were too high10%1.1%
No device output10%0.1%
Product quality problem10%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
Hyperglycemiahigh blood sugar20.1%
Hypoglycemialow blood sugar20.1%
Loss of consciousnesspassing out20.1%
Diaphoresis10%
Elevated ketones/ diabetic ketoacidosis10%
Fatiguetiredness10%
Polydipsia10%

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

In context

MeasureFreeStyle NeoProduct code NBWAll MAUDE reports
Reports2,894431,76026,136,888
Share of that pool—0.7%0%
Classified as death, per 1,000 reports009
Classified as injury0.2%8.8%36.2%
Classified as malfunction99.8%90.4%62.3%
Filed by the manufacturer100%99.3%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 NBW

BrandReportsLatest 12 monthsClassified as death
Ot Verio Iq Meter93,04100%
Ot Verio2 Meter45,29400%
Ot Ping Meter38,81700%
Ot Ultralink Meter26,21700%
Ot Verio Flex Meter13,50300%
Precision Xtra11,69660.1%
FreeStyle Lite12,2444300%
FreeStyle Freedom Lite11,0286940%
Neo Meter Optium FreeStyle10,6911320%
FreeStyle Precision Neo10,407350%
Ot Verio Pro Meter6,71600%
Ot Verio Test Strips6,35100%
One Touch Ultralink Meter5,99400%
Ot Ultra2 Meter5,14200%
Ot Ping Enhanced Meter5,08000%

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 Neo reports

How many FDA reports name FreeStyle Neo?

2,894 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 2,200 in the latest 12 months.

What kinds of events are reported?

malfunction (99.8%) and injury (0.2%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

failure to power up (96.1%), incorrect, inadequate or imprecise result or readings (4.7%), low readings (0.1%), high readings (0%) and no device output (0%). 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 FreeStyle Neo 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.