Highlights: ? The FCM is an area barely explored in its health applications, but in development. ? A FCM was used for the differential diagnosis of alterations in urinary elimination. ? Possible diagnoses were those over a threshold of 12{ca7ad0b74511a57bb2016f24c729dd7716d5352e92d2275aa1f91fb22c36b0a7} of the highest value. ? The model determined the diagnosis in total or partial agreement in 94.9{ca7ad0b74511a57bb2016f24c729dd7716d5352e92d2275aa1f91fb22c36b0a7} of cases. ? A great advantage of FCM is that it is able to manipulate incomplete information.Abstract: Purpose: To develop a decision support system to discriminate the diagnoses of alterations in urinary elimination, according to the nursing terminology of NANDA International (NANDA-I).Methods: A fuzzy cognitive map (FCM) was structured considering six possible diagnoses: stress urinary incontinence, reflex urinary incontinence, urge urinary incon….