Devices › System, test, blood glucose, over the counter
Device brand name · Glucose monitoring sys/kit
Ot Verio Flex Meter: medical device reports filed with FDA
13,503 reports name it, 2015–2024. Manufacturer given most often on reports: Lifescan Europe A Division Of Cilag Intl. Product code NBW.
- 13,503
- device reports naming the brand
- 0.1% of all MAUDE reports · about 1,201 a year
- 0
- reports, 12 months to August 2026
- 10 in the 12 months before
- 94.4%
- classified as malfunction
- 90.4% across the product code
- 0%
- classified as death, as reported
- 0 reports · not verified by FDA
13,503 medical device reports received by FDA name the brand "Ot Verio Flex Meter" (glucose monitoring sys/kit); the manufacturer given most often on reports is Lifescan Europe A Division Of Cilag Intl; received from April 2015 to November 2024. Brand names are as the reporter or manufacturer wrote them, so one product can appear under several spellings.
0 reports arrived in the 12 months to August 2026, against 10 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 (94.4%) and injury (5.5%); 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 device displays incorrect message (40.4%), incorrect or inadequate test results (12.3%) and incorrect, inadequate or imprecise result or readings (9.5%). The patient problems coded most often are shaking/tremors, dizziness and hyperglycemia. 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
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
Event type and report source
Event type, as classified on the report
Who filed the report
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) | Reports | Share | Share across product code |
|---|---|---|---|
| Device displays incorrect message | 5,453 | 40.4% | 24% |
| Incorrect or inadequate test results | 1,655 | 12.3% | 9.2% |
| Incorrect, inadequate or imprecise result or readings | 1,279 | 9.5% | 5.6% |
| Loss of powerthe device lost power | 1,193 | 8.8% | 3.5% |
| Device alarm system | 760 | 5.6% | 0.8% |
| Low battery | 655 | 4.9% | 0.5% |
| Device operates differently than expectedthe device behaved unexpectedly | 402 | 3% | 4.4% |
| High test results | 240 | 1.8% | 6.2% |
| Battery problema problem with the battery | 229 | 1.7% | 1.9% |
| Failure to power up | 226 | 1.7% | 19.5% |
| Component missing | 144 | 1.1% | 1.3% |
| Insufficient device problem information | 137 | 1% | 0.8% |
| Device damaged prior to usethe device was damaged before use | 86 | 0.6% | 0.3% |
| Inappropriate audible prompt/feedback | 60 | 0.4% | 0.5% |
| Failure to calibrate | 59 | 0.4% | 0.1% |
| Device handling problem | 57 | 0.4% | 0.1% |
| No display/image | 56 | 0.4% | 2% |
| High readingsreadings were too high | 51 | 0.4% | 1.1% |
| Failure to back-up | 45 | 0.3% | 0% |
| Power problem | 34 | 0.3% | 0.1% |
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) | Reports | Share |
|---|---|---|
| Shaking/tremors | 280 | 2.1% |
| Dizzinesslight-headedness or unsteadiness | 175 | 1.3% |
| Hyperglycemiahigh blood sugar | 161 | 1.2% |
| Sweating | 137 | 1% |
| Hypoglycemialow blood sugar | 106 | 0.8% |
| Fatiguetiredness | 75 | 0.6% |
| Diaphoresis | 74 | 0.5% |
| Headachehead pain | 71 | 0.5% |
| Blurred vision | 59 | 0.4% |
| Confusion/ disorientation | 53 | 0.4% |
| Loss of consciousnesspassing out | 39 | 0.3% |
| Weakness | 39 | 0.3% |
| Nauseafeeling sick | 36 | 0.3% |
| Lethargysluggishness | 35 | 0.3% |
| Polydipsia | 28 | 0.2% |
Patient problem codes are present mainly in reports filed since 2019 and are often blank.
In context
| Measure | Ot Verio Flex Meter | Product code NBW | All MAUDE reports |
|---|---|---|---|
| Reports | 13,503 | 431,760 | 26,136,888 |
| Share of that pool | — | 3.1% | 0.1% |
| Classified as death, per 1,000 reports | 0 | 0 | 9 |
| Classified as injury | 5.5% | 8.8% | 36.2% |
| Classified as malfunction | 94.4% | 90.4% | 62.3% |
| Filed by the manufacturer | 98.5% | 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
| Brand | Reports | Latest 12 months | Classified as death |
|---|---|---|---|
| Ot Verio Iq Meter | 93,041 | 0 | 0% |
| Ot Verio2 Meter | 45,294 | 0 | 0% |
| Ot Ping Meter | 38,817 | 0 | 0% |
| Ot Ultralink Meter | 26,217 | 0 | 0% |
| Precision Xtra | 11,696 | 6 | 0.1% |
| FreeStyle Lite | 12,244 | 430 | 0% |
| FreeStyle Freedom Lite | 11,028 | 694 | 0% |
| Neo Meter Optium FreeStyle | 10,691 | 132 | 0% |
| FreeStyle Precision Neo | 10,407 | 35 | 0% |
| Ot Verio Pro Meter | 6,716 | 0 | 0% |
| Ot Verio Test Strips | 6,351 | 0 | 0% |
| One Touch Ultralink Meter | 5,994 | 0 | 0% |
| Ot Ultra2 Meter | 5,142 | 0 | 0% |
| Ot Ping Enhanced Meter | 5,080 | 0 | 0% |
| One Touch Ping Meter | 4,360 | 0 | 0% |
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 Ot Verio Flex Meter reports
How many FDA reports name Ot Verio Flex Meter?
13,503 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 (94.4%) and injury (5.5%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.
What device problems are coded?
device displays incorrect message (40.4%), incorrect or inadequate test results (12.3%), incorrect, inadequate or imprecise result or readings (9.5%), loss of power (8.8%) and device alarm system (5.6%). These are FDA's device problem codes as entered on the report.
Who files these reports?
manufacturer reports (98.5%) and distributor reports (1.5%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.
Do these reports show that Ot Verio Flex Meter 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.