Schizophrenia diagnostic criteria
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Diagnosis
Diagnosis is based on the self-reported experiences of the person as well as abnormalities in behavior reported by family members, friends or co-workers, followed by secondary signs observed by a psychiatrist, social worker, clinical psychologist or other clinician in a clinical assessment. There is a list of criteria that must be met for someone to be so diagnosed. These depend on both the presence and duration of certain signs and symptoms. The most widely used criteria for diagnosing schizophrenia are from the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders, the current version being DSM-IV-TR, and the World Health Organization's International Statistical Classification of Diseases and Related Health Problems, currently the ICD-10. The latter criteria are typically used in European countries while the DSM criteria are used in the USA or the rest of the world, as well as prevailing in research studies. The ICD-10 criteria put more emphasis on Schneiderian first rank symptoms although, in practice, agreement between the two systems is high.[1] The WHO has developed the tool SCAN (Schedules for Clinical Assessment in Neuropsychiatry) which can be used for diagnosing a number of psychiatric conditions, including schizophrenia.
DSM IV Criteria
References
- ↑ Jakobsen KD, Frederiksen JN, Hansen T, Jansson LB, Parnas J, Werge T (2005) Reliability of clinical ICD-10 schizophrenia diagnoses. Nordic Journal of Psychiatry, 59 (3), 209-12. PMID 16195122