FDA Adverse Event Malfunction Summary report: N

DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM

MDR report key: 24198804 · Received January 28, 2026

Report

Report Number
3004753838-2026-078457
Event Type
Malfunction
Date Received
January 28, 2026
Date of Event
January 20, 2026
Report Date
April 29, 2026
Manufacturer
DEXCOM, INC.
Product Code
QBJ
UDI-DI
00386270004093
PMA / PMN Number
K213919
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
CA, US
Reporter Occupation
OTHER
Health Professional
N

Narratives

Additional Manufacturer Narrative · 0

(B)(4). B5: DESCRIBE EVENT OR PROBLEM - ADDITIONAL INFORMATION D9: DEVICE - ADDITIONAL INFORMATION G3: DATE RECEIVED BY MANUFACTURER- ADDITIONAL INFORMATION H2: ADDITIONAL INFORMATION H3 REASON FOR NON-EVALUATION - ADDITIONAL INFORMATION H6: ADVERSE EVENT PROBLEM COMPONENT CODES ¿ ADDITIONAL INFORMATION.

Additional Manufacturer Narrative · 0

(B)(4).

Additional Manufacturer Narrative · 0

(B)(4). 3004753838-2026-103665 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

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 DETACHED OR MISSING SENSOR WIRE OCCURRED. THE SENSOR WAS INSERTED INTO AN OFF-LABEL INSERTION SITE, ON (B)(6) 2026. 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 4/7/2026 AND IT WAS DETERMINED THIS COMPLAINT IS NOT REPORTABLE PER (B)(4).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
255615 DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM CONTINUOUS GLUCOSE MONITOR QBJ DEXCOM, INC. 9500-161 1825235005 00386270004093

Patients

Seq Age Sex Outcome Treatment
1 78 YR Female