FDA Adverse Event Malfunction Summary report: N

DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM

MDR report key: 22559368 · Received July 21, 2025

Report

Report Number
3004753838-2025-190749
Event Type
Malfunction
Date Received
July 21, 2025
Date of Event
July 9, 2025
Report Date
January 23, 2026
Manufacturer
DEXCOM, INC.
Product Code
QBJ
UDI-DI
386270004666
PMA / PMN Number
K213919
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
GB
Reporter Occupation
OTHER
Health Professional
N

Narratives

Additional Manufacturer Narrative · 0

(B)(4).

Additional Manufacturer Narrative · 0

(B)(4).

Additional Manufacturer Narrative · 0

(B)(4).

Additional Manufacturer Narrative · 0

(B)(4). 3004753838-2025-190749 WAS REPORTED IN ERROR. PLEASE DISREGARD INITIAL REPORTING OF THIS EVENT AS THIS EVENT HAS NOW BEEN DEEMED NOT REPORTABLE.

Description of Event or Problem · 0

IT WAS REPORTED THAT A BROKEN SENSOR WIRE OCCURRED. THE SENSOR WAS INSERTED INTO THE ABDOMEN ON (B)(6) 2025. DATA WAS RECEIVED BUT NOT INVESTIGATED AS DATA WILL NOT CONFIRM THE ISSUE. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

Description of Event or Problem · 0

PRODUCT HAS BEEN RECEIVED BUT IS PENDING EVALUATION. A FOLLOW UP REPORT WILL BE SUBMITTED UPON COMPLETION. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

Description of Event or Problem · 0

IT WAS REPORTED THAT A BROKEN SENSOR WIRE OCCURRED. THE SENSOR WAS INSERTED INTO THE ABDOMEN, WHICH IS OFF LABEL USAGE OF THE DEVICE, ON (B)(6) 2025. DATA WAS RECEIVED BUT NOT INVESTIGATED AS DATA WILL NOT CONFIRM THE ISSUE. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

Description of Event or Problem · 0

AFTER SUBMISSION OF THE INITIAL MDR PRODUCT WAS RECEIVED ON 12/8/2025 IT WAS DETERMINED THIS COMPLAINT IS NOT REPORTABLE PER CORPFT-140202

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1869649 DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM CONTINUOUS GLUCOSE MONITOR QBJ DEXCOM, INC. 9501-161 1825158001 386270004666

Patients

Seq Age Sex Outcome Treatment
1 52 YR Female TANDEM TSLIM