psychotic disorder shared psychotic disorder F24 Criterion A for delusional disorder no longer has the requirement that the delusions must be nonbizarre. DSM-5 no longer separates delusional disorder from shared delusional disorder. If criteria are met for delusional disorder then that diagnosis is made. (Highlights of Changes from DSM-IV-TR to DSM-5, American Psychiatric Publishing) Is characterised by the presence of a delusion in an individual who is influenced by someone else who has a longer-standing delusion with similar content. DSM-IV-TR (american Psychiatric Association) 297.3