MAUDE Adverse Event Report: Abbott Diabetes Care Inc FreeStyle Libre 3 Plus; Continuous Glucose Monitoring System

Model Number	78768-01
Medical Device Problem Code	Incorrect, Inadequate or Imprecise Result or Readings (1535)
Health Effect - Clinical Code	No Clinical Signs, Symptoms or Conditions (4582)
Date of Event	09/09/2026
Type of Reportable Event	Malfunction
Event or Problem Description
A customer reported receiving erroneous glucose results from an abbott diabetes care device.The customer received sensor scan results of 40 mg/dl compared to readings of 163 mg/dl respectively obtained on a meter and the results, when plotted on a parkes error grid, fall into c zone, showing difference in values to be clinically significant.The length of sensor wear was 8 days.There was no report of death, serious injury, or mistreatment associated with this event.
Additional Manufacturer Narrative
The product has been requested back for investigation.A follow-up report will be submitted upon completion of investigation activities or if additional information is obtained.All pertinent information available to abbott diabetes care has been submitted.

• Brand Name: FreeStyle Libre 3 Plus
• Common Device Name: Continuous Glucose Monitoring System
• Manufacturer (Section D): Abbott Diabetes Care Inc; 1360 south loop road; alameda CA 94502 -700
• Manufacturer Contact: melissa pieplow ; 1360 south loop road; alameda, CA 94502--700 ; +1(510)384-5975
• MDR Report Key: 50946014
• Report Number: 2954323-2026-431386
• Device Sequence Number: 18729187
• Product Code: QBJ
• UDI-Device Identifier: 00357599844004
• Combination Product (Y/N): N
• Initial Reporter Country: US
• PMA/510(K) Number: K233537
• 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: Non-Healthcare Professional
• Type of Report: Initial
• Report Date (Section B): 09/30/2026

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: 78768-01
• Was Device Available for Evaluation?: No
• Is the Reporter a Health Professional?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 09/09/2026
• Initial Report FDA Received Date: 09/30/2026
• Was Device Evaluated by Manufacturer? (Y/N): No
• Is the Device Labeled for Single Use? (Y/N): Yes
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Sex: Male