MAUDE Adverse Event Report: DEXCOM, INC. DEXCOM G4 PLATINUM CONTINUOUS GLUCOSE MONITORING SYSTEM

Model Number	MT22495-PNK
Medical Device Problem Code	Defective Alarm (1014)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	01/23/2019
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
Dexcom was made aware on (b)(4) 2019 that on (b)(6) 2019, the receiver had intermittent audio output.No additional event or patient information is available.No product was provided for evaluation.The complaint confirmation of the receiver having intermittent audio output could not be determined.A probable cause could not be determined.
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
The receiver was evaluated.An external visual inspection was performed and passed.Charge and boot testing was performed and passed.The receiver log was downloaded and reviewed, finding no errors related to the complaint.Functional testing was performed and passed all relevant testing.Manual "try it" testing was performed and passed.A global communication tool software test was performed and passed.The receiver was opened and an internal visual inspection was performed and passed.Speaker resistance was measured and was within specification.The allegation was not confirmed.A probable cause could not be determined.No injury or medical intervention was reported.

• Brand Name: DEXCOM G4 PLATINUM CONTINUOUS GLUCOSE MONITORING SYSTEM
• Common Device Name: CONTINUOUS GLUCOSE MONITOR
• Manufacturer (Section D): DEXCOM, INC.; 6340 sequence dr.; san diego CA 92121
• MDR Report Key: 8292846
• Report Number: 3004753838-2019-013804
• Device Sequence Number: 19232359
• Product Code: MDS
• UDI-Device Identifier: 10386270000160
• UDI-Public: 10386270000160
• Combination Product (Y/N): N
• Initial Reporter State: NC
• Initial Reporter Country: US
• PMA/510(K) Number: P120005
• Number of Events Summarized: 1
• Summary Report (Y/N): N
• Reporter Type: Manufacturer
• Report Source: consumer
• Initial Reporter Occupation: Other
• Type of Report: Initial,Followup
• Report Date (Section B): 01/31/2019

1 Device was Involved in the Event

1 Patient was Involved in the Event

• Is this an Adverse Event Report?: No
• Is this a Product Problem Report?: Yes
• Operator of Device: Lay User/Patient
• Device Model Number: MT22495-PNK
• Device Catalogue Number: STK-DR-PNK
• Device Lot Number: 5229902
• Was Device Available for Evaluation?: Device Returned to Manufacturer
• Date Returned to Manufacturer: 03/08/2019
• Was the Report Sent to FDA?: No
• Initial Date Received by Manufacturer: 01/25/2019
• Supplement Date Received by Manufacturer: 03/21/2019
• Initial Report FDA Received Date: 01/31/2019
• Supplement Report FDA Received Date: 04/15/2019
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 46 YR
• Patient Weight: 52