Reported Reactions

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

Device brand name · Blood glucose meter

Contour Ts: medical device reports filed with FDA

174 reports name it, 2009–2025. Manufacturer given most often on reports: Bayer Healthcare. Product code NBW.

174
device reports naming the brand
0% of all MAUDE reports · about 10 a year
0
reports, 12 months to August 2026
3 in the 12 months before
85.1%
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 174 reports that name the brand "Contour Ts" (blood glucose meter), received between June 2009 and August 2025; the manufacturer given most often on reports is Bayer Healthcare. Spellings of one product vary from report to report.

0 reports arrived in the 12 months to August 2026, against 3 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 (85.1%) and injury (14.9%); 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 incorrect or inadequate test results (29.9%), high test results (18.4%) and low test results (3.4%). The patient problems coded most often are hypoglycemia, loss of consciousness and overdose. 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

023Sep 2021: 1Oct 2021: 0Nov 2021: 1Dec 2021: 12022Jan 2022: 0Feb 2022: 1Mar 2022: 0Apr 2022: 2May 2022: 1Jun 2022: 0Jul 2022: 1Aug 2022: 1Sep 2022: 2Oct 2022: 0Nov 2022: 0Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 0Apr 2023: 3May 2023: 0Jun 2023: 1Jul 2023: 0Aug 2023: 1Sep 2023: 0Oct 2023: 0Nov 2023: 1Dec 2023: 02024Jan 2024: 0Feb 2024: 0Mar 2024: 0Apr 2024: 0May 2024: 0Jun 2024: 1Jul 2024: 2Aug 2024: 0Sep 2024: 0Oct 2024: 0Nov 2024: 0Dec 2024: 02025Jan 2025: 0Feb 2025: 0Mar 2025: 0Apr 2025: 0May 2025: 1Jun 2025: 0Jul 2025: 0Aug 2025: 2Sep 2025: 0Oct 2025: 0Nov 2025: 0Dec 2025: 02026Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 0Jul 2026: 0Aug 2026: 0

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

012242009: 1820092010: 242011: 2220112012: 212013: 2020132014: 62015: 620152016: 52017: 620172018: 112019: 720192021: 82022: 820222023: 62024: 320242025: 3

Event type and report source

Event type, as classified on the report

Death0%0
Injury14.9%26
Malfunction85.1%148
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%174
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
Incorrect or inadequate test results5229.9%9.2%
High test results3218.4%6.2%
Low test results63.4%2.5%
Measurement system incompatibility31.7%0%
Device operates differently than expectedthe device behaved unexpectedly21.1%4.4%
Incorrect, inadequate or imprecise result or readings21.1%5.6%
Insufficient device problem information21.1%0.8%
Unsealed device packaging21.1%0.1%
Detachment of device component10.6%0%
Display or visual feedback problem10.6%0.5%
Loss of data10.6%0.4%
No display/image10.6%2%
Use of incorrect control/treatment settings10.6%0.9%

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
Hypoglycemialow blood sugar126.9%
Loss of consciousnesspassing out42.3%
Overdosea dose above the recommended amount31.7%
Hyperglycemiahigh blood sugar21.1%
Blood glucose, high10.6%
Dizzinesslight-headedness or unsteadiness10.6%
Elevated ketones/ diabetic ketoacidosis10.6%
Fainting10.6%
Falla fall10.6%
Headachehead pain10.6%
Hospitalization required10.6%
Shaking/tremors10.6%
Therapy/non-surgical treatment, additional10.6%

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

In context

MeasureContour TsProduct code NBWAll MAUDE reports
Reports174431,76026,136,888
Share of that pool—0%0%
Classified as death, per 1,000 reports009
Classified as injury14.9%8.8%36.2%
Classified as malfunction85.1%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 Contour Ts reports

How many FDA reports name Contour Ts?

174 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 (85.1%) and injury (14.9%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

incorrect or inadequate test results (29.9%), high test results (18.4%), low test results (3.4%), measurement system incompatibility (1.7%) and device operates differently than expected (1.1%). 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 Contour Ts 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.