The International Classification of Diseases 11th Revision (ICD-11) came into effect in January 2022. It provides diagnostic guidance and criteria for human diseases including 'Mental, behavioural or neurodevelopmental disorders'.

Follow the link in Resources below to take you directly to an online version of the ICD-11.

You will find information about mental illness in 'Section 6'.


Last reviewed: 21/02/2024

Next review date: 21/08/2024

Author(s): Medical Education Fellow, NHS Lothian.

Author email(s): mypsych@ggc.scot.nhs.uk.

Reviewer name(s): Medical Education Fellow, NHS Lothian.