FDA Adverse Event Malfunction Summary report: N

DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM

MDR report key: 22857536 · Received August 21, 2025

Report

Report Number
3004753838-2025-231270
Event Type
Malfunction
Date Received
August 21, 2025
Date of Event
July 13, 2025
Report Date
August 20, 2025
Manufacturer
DEXCOM, INC.
Product Code
QBJ
UDI-DI
00386270004093
PMA / PMN Number
K213919
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
MD, US
Reporter Occupation
OTHER

Narratives

Additional Manufacturer Narrative · 0

(B)(4). 250811-016817 125: MW5172761. 250811-012432 012: MW5172762. 250811-017612 125: MW5172763. 250811-017853 012: MW5172761.

Description of Event or Problem · 0

A VOLUNTARY MEDWATCH REPORT WAS RECEIVED ON 07/30/2025. IT WAS REPORTED THAT AN INACCURACY BETWEEN THE CONTINUOUS GLUCOSE MONITOR (CGM) AND THE BLOOD GLUCOSE (BG) METER OCCURRED. IT HAS BEEN REPORTED THAT THERE WAS A DIFFERENCE IN READINGS OF 150 POINTS. NO DATA WAS PROVIDED FOR EVALUATION. THE COMPLAINT CONFIRMATION AND PROBABLE CAUSE COULD NOT BE DETERMINED. THERE WERE NO REPORTED GLUCOSE VALUES AVAILABLE TO SEARCH WITHIN THE PARKES ERROR GRID CALCULATOR. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
2053509 DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM CONTINUOUS GLUCOSE MONITOR QBJ DEXCOM, INC. NI 00386270004093

Patients

Seq Age Sex Outcome Treatment
1 62 YR Male