A glucose monitoring system, comprising: a glucose sensor , wherein at least part of the glucose sensor is configured to be positioned in contact with interstitial fluid in a body of a user; a transmitter unit coupled to the glucose sensor and configured to process glucose data indicative of a monitored glucose level from the glucose sensor ; and a receiver unit comprising a processor and a user interface having a display , wherein the receiver unit is configured to receive the processed glucose data from the transmitter unit ; wherein the processor is configured to cause the display to display a home screen including a plurality of panels; wherein the processor is configured to, in response to user input through the user interface, cause the display to display a sensor life indicator screen in place of one or more panels of the home screen ; wherein the processor is configured to: determine a current sensor life representing a time period remaining until completion of a lifetime of the glucose sensor ; wherein the sensor life indicator screen is configured to output, on the display , an indication of the current sensor life; and wherein the processor is further configured to: determine a grace period representing a time period until the glucose sensor needs to be replaced; wherein the sensor life indicator screen is configured to output, on the display , information associated with the grace period. a glucose sensor , wherein at least part of the glucose sensor is configured to be positioned in contact with interstitial fluid in a body of a user; a transmitter unit coupled to the glucose sensor and configured to process glucose data indicative of a monitored glucose level from the glucose sensor ; and a receiver unit comprising a processor and a user interface having a display , wherein the receiver unit is configured to receive the processed glucose data from the transmitter unit ; wherein the processor is configured to cause the display to display a home screen including a plurality of panels; wherein the processor is configured to, in response to user input through the user interface, cause the display to display a sensor life indicator screen in place of one or more panels of the home screen ; wherein the processor is configured to: determine a current sensor life representing a time period remaining until completion of a lifetime of the glucose sensor ; wherein the sensor life indicator screen is configured to output, on the display , an indication of the current sensor life; and determine a current sensor life representing a time period remaining until completion of a lifetime of the glucose sensor ; wherein the sensor life indicator screen is configured to output, on the display , an indication of the current sensor life; and wherein the processor is further configured to: determine a grace period representing a time period until the glucose sensor needs to be replaced; wherein the sensor life indicator screen is configured to output, on the display , information associated with the grace period. determine a grace period representing a time period until the glucose sensor needs to be replaced; wherein the sensor life indicator screen is configured to output, on the display , information associated with the grace period. <EOS>