Schizophrenia, schizotypal and delusional disorders

  • F20 Schizophrenia
    • F20.0 Paranoid schizophrenia
    • F20.1 Hebephrenic schizophrenia
    • F20.2 Catatonic schizophrenia
    • F20.3 Undifferentiated schizophrenia
    • F20.4 Post­schizophrenic depression
    • F20.5 Residual schizophrenia
    • F20.6 Simple schizophrenia
    • F20.8 Other schizophrenia
    • F20.9 Schizophrenia, unspecified
    • A fifth character may be used to classify course:
      • F20.x0 Continuous
      • F20.x1 Episodic with progressive deficit
      • F20.x2 Episodic with stable deficit
      • F20.x3 Episodic remittent
      • F20.x4 Incomplete remission
      • F20.x5 Complete remission
      • F20.x8 Other
      • F20.x9 Course uncertain, period of observation too short
  • F21 Schizotypal disorder
  • F22 Persistent delusional disorders
    • F22.0 Delusional disorder
    • F22.8 Other persistent delusional disorders
    • F22.9 Persistent delusional disorder, unspecified
  • F23 Acute and transient psychotic disorders
    • F23.0 Acute polymorphic psychotic disorder without symptoms of schizophrenia
    • F23.1 Acute polymorphic psychotic disorder with symptoms of schizophrenia
    • F23.2 Acute schizophrenia­like psychotic disorder
    • F23.3 Other acute predominantly delusional psychotic disorder
    • F23.8 Other acute and transient psychotic disorders
    • F23.9 Acute and transient psychotic disorder, unspecified
    • A fifth character may be used to identify the presence or absence of associated acute stress:
      • F23.x0 Without associated acute stress
      • F23.x1 With associated acute stress
  • F24 Induced delusional disorder
  • F25 Schizoaffective disorders
    • F25.0 Schizoaffective disorder, manic type
    • F25.1 Schizoaffective disorder, depressive type
    • F25.2 Schizoaffective disorder, mixed type
    • F25.8 Other schizoaffective disorders
    • F25.9 Schizoaffective disorder, unspecified
  • F28 Other nonorganic psychotic disorders
  • F29 Unspecified nonorganic psychosis


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