MAUDE Adverse Event Report: ABBOTT DIABETES CARE LTD FREESTYLE LIBRE 3; CONTINUOUS GLUCOSE MONITORING SYSTEM

Model Number	72077-01
Medical Device Problem Codes	Device Alarm System (1012); Application Program Problem (2880)
Health Effect - Clinical Codes	Hypoglycemia (1912); Dizziness (2194); Confusion/ Disorientation (2553)
Date of Event	04/28/2025
Type of Reportable Event	Serious Injury
Additional Manufacturer Narrative
An investigation has been performed for the reported complaint and there was no indication that the product did not meet specification.The customer experienced missing low glucose alarms with the reported application.Per the compatibility guide, use of the iphone operating system ios 18.3.2 is incompatible with the reported application software version 3.6.2.12253.This guide is available to the user on the websites where the product is launched.The most probable root causes associated with this failure mode are software/data corruption or misuse.However, mitigations are in place to reduce and prevent such issues.All vital functions are monitored by the system and, when necessary, function is suspended to safeguard against inaccurate results.Labeling is provided to instruct the user on the intended use of all vital parts of the system to minimize misuse.All complaints and complaint trends are investigated to determine if there is a product defect/ deficiency.If a product defect/ deficiency is identified, a risk evaluation is completed and compared to the risk management report, to ensure the risk profile has not changed.Additionally, as a part of abbott¿s post-market surveillance process, all risk evaluations with associated complaint data are reviewed annually to determine if the risk profiles have changed as compared to the product risk management reports.These monitoring processes ensure that all product risk profiles remain acceptable and have a positive benefit/ risk ratio.The device mfg date does not apply.The date entered in section h4 is the date abbott diabetes care became aware of the event.All pertinent information available to abbott diabetes care has been submitted.
Event or Problem Description
An alarm issue was reported with the abbott diabetes care (adc) device in use with iphone with ios operating system version 18.3.2.The low glucose alarm did not sound and the customer was not alerted of changes in glucose level.As a result, the customer experienced symptoms described as dizziness, confusion, and disorientation.The customer initially received third-party administration of orange juice and food to raise their glucose levels; however, the customer was still disoriented and presented at an emergency room.Upon arrival, the customer received an unspecified reading obtained on a laboratory result and further received healthcare professional (hcp) administration of unspecified medication as treatment for the diagnosis of hypoglycemia.There was no report of death or permanent impairment associated with this event.
Event or Problem Description
An alarm issue was reported with the abbott diabetes care (adc) device in use with iphone with ios operating system version 18.3.2.The low glucose alarm did not sound and the customer was not alerted of changes in glucose level.As a result, the customer experienced symptoms described as dizziness, confusion, and disorientation.The customer initially received third-party administration of orange juice and food to raise their glucose levels; however, the customer was still disoriented and presented at an emergency room.Upon arrival, the customer received an unspecified reading obtained on a laboratory result and further received healthcare professional (hcp) administration of unspecified medication as treatment for the diagnosis of hypoglycemia.There was no report of death or permanent impairment associated with this event.
Additional Manufacturer Narrative
The user reported missing low alarm.The reported issue was investigated.The reported configuration was not compatible with the customer's reported application.The latest revision of the compatibility guide was available to the customer on the abbott diabetes care website.As the compatibility guide is provided to the customer and the incompatible configurations were used, this complaint is not confirmed to use.This serves as a correction report.Section h11 (additional mfg narrative) was incorrectly updated in the previous report.Correction has been made.All pertinent information available to abbott diabetes care has been submitted.

• Brand Name: FREESTYLE LIBRE 3
• Common Device Name: CONTINUOUS GLUCOSE MONITORING SYSTEM
• Manufacturer (Section D): ABBOTT DIABETES CARE LTD; range road; witney 12345 -700; UK 12345-7001
• Manufacturer Contact: patricia reis castro ; 1360 south loop road; alameda, CA 94502-7001 ; 4157205405
• MDR Report Key: 22078747
• Report Number: 2954323-2025-18806
• Device Sequence Number: 18318468
• Product Code: QBJ
• UDI-Device Identifier: 00357599817008
• UDI-Public: 00357599817008
• Combination Product (Y/N): N
• Initial Reporter State: IL
• Initial Reporter Country: US
• PMA/510(K) Number: K223435
• 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,Followup
• Report Date (Section B): 05/30/2025

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: Yes
• Is this a Product Problem Report?: No
• Operator of Device: Lay User/Patient
• Device Model Number: 72077-01
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Thirty-Day
• Initial Date Received by Manufacturer: 05/03/2025
• Supplement Date Received by Manufacturer: 05/30/2025
• Initial Report FDA Received Date: 05/23/2025
• Supplement Report FDA Received Date: 05/30/2025
• Was Device Evaluated by Manufacturer? (Y/N): Yes
• Date Device Manufactured: 05/03/2025
• 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
• Patient Sequence Number: 1
• Outcome Attributed to Adverse Event: Required Intervention
• Patient Sex: Male