Dexcom Receiver MT22949Recalls & reported problems

Summary

The FDA's MAUDE database contains 7,702 adverse event reports that list this exact device (DI 00386270000323), received between Apr 22, 2017 and Nov 14, 2023 — classified as 61 injuries, 7,641 malfunctions.

The most frequently reported specific device problem is “Wireless Communication Problem” (2,472 reports).

Reports come from manufacturers, hospitals and patients and are not verified by the FDA. A report does not prove the device caused the event, and counts can't be used to compare devices or estimate failure rates. How this data works · Data updated Oct 13, 2026.

Most reported problems

Recent adverse event reports

The 25 most recent of 7,702 reports, in the reporter's own words as published by the FDA.

• MalfunctionNov 14, 2023Display or Visual Feedback Problem; Display or Visual Feedback Problem

  IT WAS REPORTED THAT THE RECEIVER DISPLAY WAS FROZEN. 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 18132850 ↗
• MalfunctionNov 10, 2023No Audible Alarm; No Audible Alarm

  IT WAS REPORTED THAT NO AUDIO OUTPUT 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 18114413 ↗
• MalfunctionAug 21, 2023Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 17586594 ↗
• MalfunctionAug 8, 2023Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 17484786 ↗
• MalfunctionApr 3, 2023Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR OCCURRED FOR THE G6 RECEIVER. HOWEVER, DATA FOR THE G6 IOS APPLICATION WAS PROVIDED FOR EVALUATION. THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS THE TRANSMITTER AND APP WERE UNABLE TO ESTABLISH A CONNECTION. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16670478 ↗
• MalfunctionMar 30, 2023Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR OCCURRED. THE PRODUCT WAS EVALUATED. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. RECEIVER CHARGE AND BOOT WAS PERFORMED AND PASSED. NORDIC BLUETOOTH PAIRING TEST WAS PERFORMED AND PASSED. FUNCTIONAL TEST WAS PERFORMED AND PASSED. THE RECEIVER LOG WAS DOWNLOADED AND REVIEWED FINDING NO ERRORS RELATED TO THE COMPLAINT. THE ALLEGATION COULD NOT BE DETERMINED. A PROBABLE CAUSE COULD NOT BE DETERMINED AS THE ALLEGATION WAS NOT FOUND. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16648542 ↗
• MalfunctionMar 22, 2023Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR OCCURRED FOR THE G6 RECEIVER. HOWEVER, DATA FOR THE G6 IOS APP WAS PROVIDED FOR EVALUATION. THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE THE MOBILE DEVICE LOST POWER. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16594422 ↗
• MalfunctionFeb 27, 2023Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR OCCURRED. THE PRODUCT WAS EVALUATED. AN EXTERIOR VISUAL INSPECTION WAS PERFORMED AND PASSED. CHARGE AND BOOT TESTING WAS PERFORMED AND FAILED. INTERNAL VISUAL INSPECTION WAS PERFORMED AND FAILED. THE RECEIVER LOG WAS DOWNLOADED AND REVIEWED FINDING NO ERRORS RELATED TO THE COMPLAINT. THE ALLEGATION COULD NOT BE DETERMINED. A PROBABLE CAUSE COULD NOT BE DETERMINED AS THE ALLEGATION WAS NOT FOUND. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16449688 ↗
• MalfunctionFeb 8, 2023Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR OCCURRED. DATA WAS RECEIVED FOR EVALUATION. HOWEVER, THE ALLEGED PRODUCT IS NOT PRESENT WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16326419 ↗
• MalfunctionJan 17, 2023Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16189018 ↗
• MalfunctionDec 30, 2022Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT A SIGNAL LOSS OVER ONE HOUR OCCURRED FOR THE G6 RECEIVER. HOWEVER, DATA FOR THE G6 ANDROID APPLICATION WAS PROVIDED FOR EVALUATION. THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS THE TRANSMITTER AND APPLICATION WERE UNABLE TO ESTABLISH A CONNECTION. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16080887 ↗
• MalfunctionDec 28, 2022Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR OCCURRED. A REVIEW OF THE SHARE LOGS WAS PERFORMED AND SIGNAL LOSS WAS FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS THE TRANSMITTER AND APP WERE UNABLE TO ESTABLISH A CONNECTION. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 16065048 ↗
• MalfunctionDec 1, 2022Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 15895986 ↗
• MalfunctionAug 23, 2022Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR OCCURRED. DATA WAS RECEIVED FOR EVALUATION. HOWEVER, THE ALLEGED PRODUCT IS NOT PRESENT WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 15280316 ↗
• MalfunctionFeb 17, 2022Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13553839 ↗
• MalfunctionFeb 15, 2022Unexpected Shutdown; Unexpected Shutdown

  IT WAS REPORTED THAT UNEXPECTED RECEIVER SHUTDOWN 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13534011 ↗
• MalfunctionFeb 14, 2022Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13524336 ↗
• MalfunctionFeb 10, 2022No Audible Alarm; No Audible Alarm

  IT WAS REPORTED THAT THE RECEIVER HAD NO AUDIO OUTPUT. THE PRODUCT WAS EVALUATED. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. RECEIVER CHARGE AND BOOT TESTS WERE PERFORMED AND PASSED. MANUAL FUNCTIONAL "TRY IT" TESTS WERE PERFORMED AND PASSED. FUNCTIONAL TESTS WERE PERFORMED AND PASSED. AN INTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. THE AUDIO SPEAKER RESISTANCE WAS MEASURED AND PASSED. THE RECEIVER LOG WAS DOWNLOADED AND REVIEWED FINDING NO ERROR RELATED TO THE COMPLAINT. THE ALLEGATION WAS NOT CONFIRMED. THE PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13506775 ↗
• MalfunctionFeb 1, 2022Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13416896 ↗
• MalfunctionJan 28, 2022Wireless Communication Problem; Wireless Communication Problem

  IT WAS REPORTED THAT SIGNAL LOSS OVER ONE HOUR OCCURRED. DATA WAS RECEIVED FOR EVALUATION. HOWEVER, THE ALLEGED PRODUCT IS NOT PRESENT WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION AND A PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13385885 ↗
• MalfunctionJan 26, 2022Unable to Obtain Readings; Unable to Obtain Readings

  IT WAS REPORTED THAT ERROR ICON DISPLAYED 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13360603 ↗
• MalfunctionJan 26, 2022Unable to Obtain Readings; Unable to Obtain Readings

  IT WAS REPORTED THAT ERROR ICON DISPLAYED 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13360508 ↗
• MalfunctionJan 26, 2022Defective Alarm; Defective Alarm

  IT WAS REPORTED THAT INTERMITTENT AUDIO OUTPUT 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13359835 ↗
• MalfunctionJan 26, 2022Defective Alarm; Defective Alarm

  IT WAS REPORTED THAT NO VIBRATION 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13359567 ↗
• MalfunctionJan 26, 2022Defective Alarm; Defective Alarm

  IT WAS REPORTED THAT INTERMITTENT AUDIO OUTPUT 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.

  Patient problems: No Clinical Signs, Symptoms or Conditions

  MAUDE report 13359554 ↗