Analysis of evolution of mental and behavioral disorders through International Classification of Diseases review

Abstract

This study aimed to describe the creation and evolution of three diagnostic categories of the chapter V of the International Classification of Diseases ICD, denominated in ICD-10: 1) Mood disorders, 2) Schizophrenia and 3) Mental and behavioral disorders due to psychoactive substance use, since the sixth to the tenth review (current). The changes of these categories within the ICDs were described, along with the code changes and it was quantified the grouping, categories and subcategories numbers. We observed significant changes, incorporations of new definitions and redefinitions. It was concluded that the changes followed the course of the diseases and psychiatric disorders that were full with prejudice and exclusion expressions, especially in addition to expanding the number of categories, the improvement in the content of Chapter V.