History of schizophrenia
1990: ICD 10: "(F20-F29)" with the descriptions: "Schizophrenia, schizotypal and delusional disorders" with the codes ".0-.9" for the different divisions/descriptions, all except .9 of these having the word "schizophrenia" after:  "Paranoid" "Hebephrenic" "Catatonic" "Undifferentiated" "Postschizophrenic" "Residual"  "Simple" "Other", ".9" being "Schizophrenia, unspecified"  "(F00-F09)" "Organic, including symptomatic, mental disorders" includes:  "F06.1" is "Organic catatonic disorder"  "F06.2" is "Organic delusional [schizophrenia-like] disorder". "F23" is "Acute and transient psychotic disorders" of this ".1" is  "Acute polymorphic psychotic disorder with symptoms of schizophrenia", ".2" is "Acute schizophrenia-like psychotic disorder"