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	04/22/2026
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
Multiple attempts to follow up with the user were made, however, 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 (b)(6), the user contacted dario to report high blood glucose (bg) readings.The user reported receiving from his dario meter four consecutive bg readings one minute apart with a 100 mg/dl difference between some of the readings.The user also stated that he was using a new cartridge of strips with an expiration date of february 2027.

• 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: 25234688
• Report Number: 3010606081-2026-00039
• Device Sequence Number: 21378247
• Product Code: NBW
• UDI-Device Identifier: 00850065006154
• UDI-Public: 850065006154
• Combination Product (Y/N): N
• Initial Reporter State: MD
• 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): 05/20/2026

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
• 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: 05/20/2026
• 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: 36 YR
• Patient Sex: Male