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

Model Number	1021-04
Medical Device Problem Codes	Incorrect, Inadequate or Imprecise Result or Readings (1535); High Readings (2459)
Health Effect - Clinical Code	Hyperglycemia (1905)
Date of Event	07/13/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
The user responded to dario's initial troubleshooting email, however, despite multiple attempts to follow up with the user, no response has been received to date.There is not enough information available to further investigate this case.Therefore, no resolution is available.
Event or Problem Description
On july 13th, the user contacted dario to report inconsistent and high blood glucose (bg) readings.The user reported receiving from his dario meter a bg reading of 418 mg/dl compared to a bg reading of 129 mg/dl from his non-dario meter, which he received approximately 40 minutes later.The user stated that his normal bg range is 129 mg/dl.

• 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: 22784362
• Report Number: 3010606081-2025-00050
• Device Sequence Number: 15517990
• Product Code: NBW
• UDI-Device Identifier: 00850065006253
• UDI-Public: 850065006253
• Combination Product (Y/N): Y
• 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): 08/12/2025

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: 1021-04
• Device Lot Number: 2311201
• 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: 08/12/2025
• 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 Sex: Male