MAUDE Adverse Event Report: DEXCOM, INC. DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM

Model Number	9500-155
Medical Device Problem Code	Break (1069)
Health Effect - Clinical Codes	Pain (1994); Foreign Body In Patient (2687)
Date of Event	08/06/2025
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
It was reported that a broken sensor wire occurred.The sensor was inserted into the arm on (b)(6) 2025.No product or data was provided for evaluation.The allegation and a probable cause could not be determined.No serious or prolonged patient harm or medical intervention was reported.

• Brand Name: DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM
• Common Device Name: CONTINUOUS GLUCOSE MONITOR
• Manufacturer (Section D): DEXCOM, INC.; 6340 sequence dr.; san diego CA 92121
• Manufacturer Contact: ashley spoto ; 6340 sequence dr.; san diego, CA 92121 ; 8582000200
• MDR Report Key: 22857151
• Report Number: 3004753838-2025-231150
• Device Sequence Number: 13101204
• Product Code: QBJ
• UDI-Device Identifier: 00386270003386
• UDI-Public: (01)00386270003386(11)230501(17)241031(10)1523150105
• Combination Product (Y/N): N
• Initial Reporter State: FL
• Initial Reporter Country: US
• PMA/510(K) Number: K213919
• 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): 08/20/2025

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 Expiration Date: 10/31/2024
• Device Model Number: 9500-155
• Device Catalogue Number: STE-AT-030
• Device Lot Number: 1523150105
• Was Device Available for Evaluation?: No
• Type of Report(Section G): Initial
• Initial Date Received by Manufacturer: 08/06/2025
• Initial Report FDA Received Date: 08/20/2025
• Was Device Evaluated by Manufacturer? (Y/N): No
• Date Device Manufactured: 05/01/2023
• 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
• Usage of Device: Initial
• Patient Sequence Number: 1
• Patient Age: 55 YR
• Patient Sex: Female
• Patient Weight: 136 KG