FDA Adverse Event Malfunction Summary report: N

DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM

MDR report key: 24105519 · Received January 17, 2026

Report

Report Number
3004753838-2026-053225
Event Type
Malfunction
Date Received
January 17, 2026
Date of Event
January 8, 2026
Report Date
March 16, 2026
Manufacturer
DEXCOM, INC.
Product Code
QBJ
UDI-DI
00386270004116
PMA / PMN Number
K213919
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
PA, US
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). 3004753838-2026-053225 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 WEARABLE WAS INSERTED INTO THE ARM 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 SERIOUS OR PROLONGED PATIENT HARM OR MEDICAL INTERVENTION WAS REPORTED.

Description of Event or Problem · 0

SUBSEQUENT TO THE INITIAL MDR, ADDITIONAL INFORMATION IS REQUIRED.

Description of Event or Problem · 0

SUBSEQUENT TO THE INITIAL MDR SUBMISSION, PRODUCT WAS RECEIVED FOR EVALUATION ON (B)(6) 2026 FOR THE APPLICATOR AND ON (B)(6) 2026 FOR THE G7 WEARABLE. AFTER FURTHER REVIEW, THIS COMPLAINT HAS BEEN DETERMINED TO BE NOT REPORTABLE PER (B)(4).

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
166892 DEXCOM G7 CONTINUOUS GLUCOSE MONITORING SYSTEM CONTINUOUS GLUCOSE MONITOR QBJ DEXCOM, INC. 9500-161 1825234004 00386270004116

Patients

Seq Age Sex Outcome Treatment
1 65 YR Male INSULIN PUMP.