MAUDE Adverse Event Report: DEXCOM, INC. DEXCOM G5 MOBILE CONTINUOUS GLUCOSE MONITORING SYSTEM

Model Number	MT22719
Medical Device Problem Code	Defective Alarm (1014)
Health Effect - Clinical Code	No Consequences Or Impact To Patient (2199)
Date of Event	12/18/2017
Type of Reportable Event	Malfunction
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
Dexcom was made aware on (b)(4) 2017 that on (b)(6) 2017 the receiver had intermittent audio output.No additional event or patient information is available.The receiver has been received for evaluation. a follow-up report will be submitted once the evaluation is complete.
Additional Manufacturer Narrative
(b)(4).
Event or Problem Description
The complaint device was returned for evaluation.The device was visually inspected and no defects were found.The receiver will boot and charge.The receiver download was retrieved and passed.The receiver passed all relevant tests on functional test station.Passed 'try it','fixed low' test audio tone was heard (without intermittence) at normal volume when tested with receiver communication tool : 7.0.0.75(low,medium,high).Opened receiver,passed internal visual inspection.Speaker measured 7.5 ohms.(within tolerance)passed 'wiggle' test.The reported event of an intermittent audio output was not confirmed.The root cause could not be determined.

• Brand Name: DEXCOM G5 MOBILE CONTINUOUS GLUCOSE MONITORING SYSTEM
• Common Device Name: CONTINUOUS GLUCOSE MONITOR
• Manufacturer (Section D): DEXCOM, INC.; 6340 sequence drive; san diego CA 92121
• MDR Report Key: 7185708
• Report Number: 3004753838-2018-04893
• Device Sequence Number: 11101509
• Product Code: PQF
• UDI-Device Identifier: 00386270000606
• UDI-Public: 00386270000606
• Combination Product (Y/N): N
• Initial Reporter State: IL
• 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): 12/18/2017

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: MT22719
• Device Catalogue Number: STK-MC-001
• Device Lot Number: 5231453
• Was Device Available for Evaluation?: Yes
• Date Returned to Manufacturer: 12/27/2017
• Was the Report Sent to FDA?: No
• Initial Date Received by Manufacturer: 12/18/2017
• Supplement Date Received by Manufacturer: 01/03/2018
• Initial Report FDA Received Date: 01/12/2018
• Supplement Report FDA Received Date: 01/26/2018
• Is This a Single-Use Device that was Reprocessed and Reused on a Patient? (Y/N): No
• Patient Sequence Number: 1
• Patient Age: 75 YR