กลุ่มโรคจิตเภท (Schizophrenia spectrum) ตามระบบ Diagnostic and Statistical Manual of Mental Disorders Fifth Edition (DSM-5) ซึ่งทั้งหมดจะประกอบไปด้วย
delusional disorder, schizotypal personality disorder, brief psychotic disorder, schizophreniform disorder, schizoaffective disorder substance/medication-induced psychotic disorder, psychotic disorder due to another medical condition, other specified schizophrenia spectrum and other psychotic disorder, unspecified schizophrenia spectrum and other psychotic disorder และ โรคจิตเภท (schizophrenia)