This is a exploratory descriptive study, to identify and describe the nursing diagnoses in people with diabetes mellitus and nursing diagnosis Urinary elimination altered. Data were collected by the researcher using the technique of physical examination and interview addressed. After collecting data, it is the identification of the nursing diagnoses appointed according to the NANDA Taxonomy II, using Risner's reasoning diagnostic process. Interviews of 31 persons, it was 10 (32%) subjects who had the nursing diagnosis of impaired urinary elimination. Know the related factors and defining characteristics of this diagnosis allows the nurse trace of nursing interventions to preserve renal function, and hence to diabetic nephropathy.