Dexcom G5 Transmitter 9438-06Recalls & reported problems
Dexcom, Inc. · G5 Transmitter · Class 3
All models of Dexcom G5 (21)
Data updated Oct 18, 2026 from official FDA records · Editorial policy
Quick summary
This Dexcom G5 transmitter has 15,360 adverse event reports, with no deaths and 29 injuries. Most describe wireless communication problems, incorrect messages or no output, and follow-up notes often point to a low battery. A few reports mention low blood sugar, fainting or seizures in patients. No recalls name this device.
AI-generated from the FDA records on this page and checked automatically against the numbers below. Read the details before relying on it.
- Adverse event reports
- 15,360
- Deaths reported
- 0
- Injuries reported
- 29
- Recalls naming it
- 0
Summary
The FDA's MAUDE database contains 15,360 adverse event reports that list this exact device (DI 00386270000224), received between Oct 15, 2015 and Dec 19, 2022 — classified as 29 injuries, 15,331 malfunctions.
The most frequently reported specific device problem is “Wireless Communication Problem” (9,734 reports).
2 other recalls cover devices cleared under the same FDA submission (P120005); they may or may not involve this specific model.
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. What reports can and can't tell you · How this data works · Data updated Oct 18, 2026.
Most reported problems
Device problems
- Wireless Communication Problem9,734
- Device Displays Incorrect Message2,512
- No Device Output2,213
- Device Operates Differently Than Expected244
- Connection Problem218
- Invalid Sensing211
- Use of Device Problem139
- Low Battery99
Patient problems
- No Consequences Or Impact To Patient11,947
- No Clinical Signs, Symptoms or Conditions2,347
- No Known Impact Or Consequence To Patient1,042
- Hypoglycemia17
- Loss of consciousness8
- Seizures5
- Elevated Ketones/ Diabetic Ketoacidosis2
- Hyperglycemia2
Recent adverse event reports
The 25 most recent of 15,360 reports, in the reporter's own words as published by the FDA.
MalfunctionDec 19, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 16011196 ↗MalfunctionDec 13, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15966058 ↗MalfunctionDec 3, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND 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 15911970 ↗MalfunctionNov 16, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. THE PRODUCT WAS EVALUATED. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. VOLTAGE TEST WAS PERFORMED AND FAILED. A REVIEW OF THE SHARE LOGS WAS PERFORMED AND TRANSMITTER FAILED ERROR WAS FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15803330 ↗MalfunctionNov 8, 2022No Device Output; No Device Output
SUBSEQUENT TO THE INITIAL MDR, ADDITIONAL INFORMATION IS AVAILABLE.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15756045 ↗MalfunctionNov 8, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR 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 15750121 ↗MalfunctionNov 4, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. THE PRODUCT WAS EVALUATED. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. VOLTAGE TEST WAS PERFORMED AND FAILED. A REVIEW OF THE SHARE LOGS WAS PERFORMED AND TRANSMITTER FAILED ERROR WAS FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15730112 ↗MalfunctionNov 3, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15723424 ↗MalfunctionOct 26, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15677999 ↗MalfunctionOct 25, 2022No Device Output; No Device Output
IT WAS REPORTED THAT A TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS 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 15664654 ↗MalfunctionOct 25, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR 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 15664600 ↗MalfunctionOct 12, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15592514 ↗MalfunctionOct 5, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. THE PRODUCT WAS EVALUATED. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. VOLTAGE TEST WAS PERFORMED AND FAILED. NO DATA WAS PROVIDED FOR EVALUATION. THE ALLEGATION WAS UNDETERMINED. THE PROBABLE CAUSE COULD NOT BE DETERMINED. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15547074 ↗MalfunctionOct 3, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. THE PRODUCT WAS EVALUATED. AN EXTERNAL VISUAL INSPECTION WAS PERFORMED AND PASSED. VOLTAGE TEST WAS PERFORMED AND FAILED. A REVIEW OF THE SHARE LOGS WAS PERFORMED AND TRANSMITTER FAILED ERROR WAS FOUND WITHIN THE INVESTIGATION WINDOW. THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15533846 ↗MalfunctionSep 29, 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 RESTORE THE CONNECTION. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15506745 ↗MalfunctionSep 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 15495784 ↗MalfunctionSep 26, 2022No Device Output; No Device Output
IT WAS REPORTED THAT A TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS 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 15486524 ↗MalfunctionSep 20, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15452638 ↗MalfunctionSep 19, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15452327 ↗MalfunctionSep 14, 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 15422292 ↗MalfunctionSep 14, 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 A LOSS OF CONNECTION WAS NOT FOUND WITHIN THE INVESTIGATION WINDOW. 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 15420572 ↗MalfunctionSep 12, 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 15407470 ↗MalfunctionSep 12, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND 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 15403511 ↗MalfunctionSep 8, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15387078 ↗MalfunctionSep 8, 2022No Device Output; No Device Output
IT WAS REPORTED THAT TRANSMITTER FAILED ERROR OCCURRED. DATA WAS EVALUATED AND THE ALLEGATION WAS CONFIRMED. THE PROBABLE CAUSE WAS DETERMINED TO BE A LOW TRANSMITTER BATTERY. NO INJURY OR MEDICAL INTERVENTION WAS REPORTED.
Patient problems: No Clinical Signs, Symptoms or Conditions
MAUDE report 15375962 ↗
Recalls under the same FDA submission
These recalls involve devices cleared under P120005. One submission often covers many models, so check the product and lot details in each record.
- Z-1560-2020 · Feb 3, 2020 · TerminatedDexcom G4 PLATINUM Continuous Glucose Monitoring System The Dexcom G4 PLATINUM Continuous Glucose Monitoring System is a glucose monitoring device indicated for detecting trends a
- Z-1561-2020 · Feb 3, 2020 · TerminatedDexcom G5 Continuous Glucose Monitoring System The Dexcom G4 PLATINUM Continuous Glucose Monitoring System is a glucose monitoring device indicated for detecting trends and tracki
Other Sensor, Glucose, Invasive devices
- Dexcom G4 Platinum Sensor 9500-27Dexcom, Inc. · Sensor, Glucose, Invasive2 recalls2 deaths99,426 reports
- Dexcom G5 Transmitter Kit STT-GF-001Dexcom, Inc. · Sensor, Glucose, Invasive1 death58,932 reports
- Dexcom G5 Mobile IOS App SW10611Dexcom, Inc. · Sensor, Glucose, Invasive54,544 reports
- Dexcom G5 Mobile Receiver MT22719Dexcom, Inc. · Sensor, Glucose, Invasive1 death12,594 reports
- Dexcom G4 SBT Transmitter 9438-05Dexcom, Inc. · Sensor, Glucose, Invasive1 death9,041 reports
- Dexcom G5 Mobile Receiver MT22719-BLUDexcom, Inc. · Sensor, Glucose, Invasive7,685 reports
- Dexcom G5 Mobile Receiver Kit STK-GF-001Dexcom, Inc. · Sensor, Glucose, Invasive1 recall6,345 reports
- Dexcom G5 Mobile Receiver MT22719-PNKDexcom, Inc. · Sensor, Glucose, Invasive1 death6,048 reports
Sources and updates
- Device record: FDA GUDID, file dated Oct 13, 2026 · View this device in AccessGUDID ↗
- Adverse event reports: FDA MAUDE, file dated Oct 14, 2026 · each report above links to its original FDA record
- Recalls: FDA Medical Device Recalls, file dated Oct 16, 2026
- Page last rebuilt: Oct 18, 2026. Data downloaded through openFDA, which notes it is not validated for clinical or regulatory use.
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