FDA Adverse Event Malfunction Summary report: N

DEXCOM G6 CONTINUOUS GLUCOSE MONITORING SYSTEM

MDR report key: 24294607 · Received February 9, 2026

Report

Report Number
3004753838-2026-086919
Event Type
Malfunction
Date Received
February 9, 2026
Date of Event
January 11, 2026
Report Date
April 16, 2026
Manufacturer
DEXCOM, INC.
Product Code
QBJ
UDI-DI
00386270001771
PMA / PMN Number
DEN170088
Product Problem
Yes
Report Source
Manufacturer report
Reporter Location
TX, 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).

Description of Event or Problem · 0

IT WAS REPORTED THAT A SIGNAL LOSS OCCURRED FREQUENTLY BETWEEN 1/11/2026 AND 1/13/2026. THE PRODUCT WAS EVALUATED. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. VOLTAGE TEST WAS PERFORMED AND PASSED. NORDIC BLUETOOTH WAS PERFORMED AND PASSED. PERFORMANCE DATA WAS REVIEWED BUT DOES NOT REFLECT THE FULL INVESTIGATION WINDOW. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

Description of Event or Problem · 0

IT WAS REPORTED THAT A SIGNAL LOSS OCCURRED FREQUENTLY BETWEEN 1/11/2026 AND 1/13/2026. DATA WAS RECEIVED BUT DOES NOT REFLECT FULL INVESTIGATION WINDOW. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

Description of Event or Problem · 0

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

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
358332 DEXCOM G6 CONTINUOUS GLUCOSE MONITORING SYSTEM CONTINUOUS GLUCOSE MONITOR QBJ DEXCOM, INC. 21052379 00386270001771

Patients

Seq Age Sex Outcome Treatment
1 27 YR Female