The block F20–F29 of ICD-10 is titled “Schizophrenia, schizotypal and delusional disorders”. It is part of Chapter V, Mental and behavioural disorders, and holds 8 groups.
Definition
This block brings together schizophrenia, as the most important member of the group, schizotypal disorder, persistent delusional disorders, and a larger group of acute and transient psychotic disorders. Schizoaffective disorders have been retained here in spite of their controversial nature.
Codes in F20–F29
- F23.0Acute polymorphic psychotic disorder without symptoms of schizophrenia
- F23.1Acute polymorphic psychotic disorder with symptoms of schizophrenia
- F23.2Acute schizophrenia-like psychotic disorder
- F23.3Other acute predominantly delusional psychotic disorders
- F23.8Other acute and transient psychotic disorders
- F23.9Acute and transient psychotic disorder, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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