ICD fact sheet from the WHO fact sheet ICD-11 Information Sheet being the go-to resource http://www.who.int/classifications/icd/factsheet/en/ ICD-11 Information Sheet ICD-11 Information Sheet http://www.who.int/classifications/icd/factsheet/en/ According to the World Health Organization (WHO) who.int ICD Information Sheet ICD Information Sheet ICD Information Sheet being the go-to resource being the go-to resource http://www.who.int/classifications/icd/factsheet/en/ being the go-to resource