Schizophrenia classification: Difference between revisions
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Historically, schizophrenia in the West was classified into simple, [[catatonia|catatonic]], hebephrenic (now known as [[Disorganized schizophrenia|disorganized]]), and paranoid. The [[Diagnostic and Statistical Manual of Mental Disorders|DSM]] contains five sub-classifications of schizophrenia: | Historically, schizophrenia in the West was classified into simple, [[catatonia|catatonic]], hebephrenic (now known as [[Disorganized schizophrenia|disorganized]]), and paranoid. The [[Diagnostic and Statistical Manual of Mental Disorders|DSM]] contains five sub-classifications of schizophrenia: | ||
* [[Paranoia#Use in psychiatry|'''Paranoid type''']]: | * [[Paranoia#Use in psychiatry|'''Paranoid type''']]: Where delusions and hallucinations are present but thought disorder, disorganized behavior, and affective flattening are absent (DSM code 295.3/ICD code F20.0) | ||
* [[Disorganized schizophrenia|'''Disorganized type''']]: | * [[Disorganized schizophrenia|'''Disorganized type''']]: Named 'hebephrenic schizophrenia' in the ICD. Where thought disorder and flat affect are present together (DSM code 295.1/ICD code F20.1) | ||
* [[Catatonia|'''Catatonic type''']]: | * [[Catatonia|'''Catatonic type''']]: Prominent psychomotor disturbances are evident. Symptoms can include catatonic stupor and [[waxy flexibility]] (DSM code 295.2/ICD code F20.2) | ||
* '''Undifferentiated type''': | * '''Undifferentiated type''': Psychotic symptoms are present but the criteria for paranoid, disorganized, or catatonic types have not been met (DSM code 295.9/ICD code F20.3) | ||
* '''Residual type''': | * '''Residual type''': Where positive symptoms are present at a low intensity only (DSM code 295.6/ICD code F20.5) | ||
The ICD-10 recognises a further two subtypes: | The ICD-10 recognises a further two subtypes: | ||
* '''Post-schizophrenic depression''': | * '''Post-schizophrenic depression''': A depressive episode arising in the aftermath of a schizophrenic illness where some low-level schizophrenic symptoms may still be present (ICD code F20.4) | ||
* '''Simple schizophrenia''': | * '''Simple schizophrenia''': Insidious but progressive development of prominent negative symptoms with no history of psychotic episodes (ICD code F20.6) | ||
==References== | ==References== | ||
Revision as of 18:26, 19 March 2013
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Schizophrenia Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Schizophrenia classification On the Web |
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American Roentgen Ray Society Images of Schizophrenia classification |
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Risk calculators and risk factors for Schizophrenia classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Classification Based on Subtypes
Historically, schizophrenia in the West was classified into simple, catatonic, hebephrenic (now known as disorganized), and paranoid. The DSM contains five sub-classifications of schizophrenia:
- Paranoid type: Where delusions and hallucinations are present but thought disorder, disorganized behavior, and affective flattening are absent (DSM code 295.3/ICD code F20.0)
- Disorganized type: Named 'hebephrenic schizophrenia' in the ICD. Where thought disorder and flat affect are present together (DSM code 295.1/ICD code F20.1)
- Catatonic type: Prominent psychomotor disturbances are evident. Symptoms can include catatonic stupor and waxy flexibility (DSM code 295.2/ICD code F20.2)
- Undifferentiated type: Psychotic symptoms are present but the criteria for paranoid, disorganized, or catatonic types have not been met (DSM code 295.9/ICD code F20.3)
- Residual type: Where positive symptoms are present at a low intensity only (DSM code 295.6/ICD code F20.5)
The ICD-10 recognises a further two subtypes:
- Post-schizophrenic depression: A depressive episode arising in the aftermath of a schizophrenic illness where some low-level schizophrenic symptoms may still be present (ICD code F20.4)
- Simple schizophrenia: Insidious but progressive development of prominent negative symptoms with no history of psychotic episodes (ICD code F20.6)