“Frequently asked questions : Parental alienation” (英語). World Health Organization (WHO). World Health Organization. 2023年3月11日閲覧。 “During the development of ICD-11, a decision was made not to include the concept and terminology of ‘parental alienation’ in the classification, because it is not a health care term. The term is rather used in legal contexts, generally in the context of custody disputes in divorce or other partnership dissolution. [...] Therefore, the index term ‘parental alienation’ has been removed, as has the parallel index term ‘parental estrangement’.” ※ICD-11の発効は2022年1月。