From parent levels

ChapterVMental and behavioural disordersOpen

Inclusions

  • disorders of psychological development

Exclusions

  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
BlockF20-F29Schizophrenia, schizotypal and delusional disordersOpen

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.

Induced delusional disorder

A delusional disorder shared by two or more people with close emotional links. Only one of the people suffers from a genuine psychotic disorder; the delusions are induced in the other(s) and usually disappear when the people are separated.

Inclusions

  • Folie à deux
  • Induced: paranoid disorder
  • Induced: psychotic disorder
Parent: F20-F29 Schizophrenia, schizotypal and delusional disorders