FDA Adverse Event Malfunction Summary report: N

DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM

MDR report key: 23991521 · Received January 7, 2026

Report

Report Number
3004753838-2026-012329
Event Type
Malfunction
Date Received
January 7, 2026
Date of Event
December 13, 2025
Report Date
January 28, 2026
Manufacturer
DEXCOM, INC.
Product Code
QBJ
PMA / PMN Number
K213919
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
ME, US
Reporter Occupation
OTHER
Health Professional
N

Narratives

Additional Manufacturer Narrative · 0

(B)(4).

Additional Manufacturer Narrative · 0

(B)(4). 3004753838-2026-012329 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 SIGNAL LOSS OCCURRED. NO PRODUCT OR DATA WAS PROVIDED FOR EVALUATION. 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 1/20/2026 AND IT WAS DETERMINED THIS COMPLAINT IS NOT REPORTABLE PER CORPFT-140202.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
48180 DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM CONTINUOUS GLUCOSE MONITOR QBJ DEXCOM, INC. NI

Patients

Seq Age Sex Outcome Treatment
1 69 YR Female TANDEM T: SLIM X2 INSULIN PUMP.