MAUDE Adverse Event Report: LABSTYLE INNOVATIONS LTD. DARIO BLOOD GLUCOSE MONITORING SYSTEM; GLUCOMETER

Model Number	1021-06
Medical Device Problem Codes	Incorrect, Inadequate or Imprecise Result or Readings (1535); Low Readings (2460)
Health Effect - Clinical Code	Hypoglycemia (1912)
Date of Event	07/10/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
During troubleshooting on the phone with dario's representative, using the same finger prick and same drop of blood, the user tested his bg and received a reading of 158 mg/dl from his dario meter compared to a bg reading of 168 mg/dl from his non-dario meter.The user also reported that when the incident occured, he had received a bg reading of 120 mg/dl from his dario meter compared to a reading of 135 mg/dl from his non-dario meter.A replacement of dario's strips and control solution was sent to the user to make sure that the dario strips are reading correctly, and to ensure proper technique.After the above was received, multiple attempts to follow up with the user were made, however, no response has been received to date.Therefore, no resolution is available.
Event or Problem Description
On (b)(6), the user contacted dario to report low blood glucose (bg) readings.The user reported receiving bg readings that were 10 mg/dl to 15 mg/dl different than his non-dario meter.

• Brand Name: DARIO BLOOD GLUCOSE MONITORING SYSTEM
• Common Device Name: GLUCOMETER
• Manufacturer (Section D): LABSTYLE INNOVATIONS LTD.; 5 tarshish st; north industrial park; caesarea, 30798 21; IS 3079821
• Manufacturer Contact: 5 tarshish st; north industrial park; caesarea, 30798-21
• MDR Report Key: 22747259
• Report Number: 3010606081-2025-00047
• Device Sequence Number: 4526660
• Product Code: NBW
• UDI-Device Identifier: 00850065006390
• UDI-Public: 850065006390
• Combination Product (Y/N): Y
• Initial Reporter State: UT
• Initial Reporter Country: US
• PMA/510(K) Number: K150817
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Serviced by Third Party (Y/N): N
• Reporter Type: Manufacturer
• Report Source: Consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial
• Report Date (Section B): 08/08/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Model Number: 1021-06
• Device Lot Number: 2203021
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: Not provided
• Initial Report FDA Received Date: 08/08/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Is the Device Labeled for Single Use? (Y/N): No
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Usage of Device: Reuse
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Other
• Patient Age: 48 YR
• Patient Sex: Male