a system and method of detecting and displaying parameter interactions . a medical device system has a medical device and a programming interface , wherein the medical device includes a plurality of features which can be programmed via the programming interface . a plurality of icons is defined , wherein the plurality of icons includes a first icon , a second icon and a third icon , wherein the first icon indicates correctness , wherein the second icon warns of a parameter interaction and wherein the third icon warns of impermissible parameter settings . parameter interactions between feature parameters are identified and each of the parameter interactions is associated with one of the plurality of icons . a parameter value is accepted and examined to determine if it causes a parameter interaction . if the parameter value causes a parameter interaction , the icon associated with the parameter interaction is displayed .