2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Hereditary And Degenerative Diseases Of The Central Nervous System 330-338 > Other Cerebral Degenerations 331.* > 2006 ICD-9-CM Diagnosis 331.82 Dementia with lewy bodies View the most recent version of ICD-9-CM 331.82 A neurodegenerative disease characterized by dementia, mild parkinsonism, and fluctuations in attention and alertness. The neuropsychiatric manifestations tend to precede the onset of bradykinesia, MUSCLE RIGIDITY, and other extrapyramidal signs. DELUSIONS and visual HALLUCINATIONS are relatively frequent in this condition. Histologic examination reveals LEWY BODIES in the CEREBRAL CORTEX and BRAIN STEM. SENILE PLAQUES and other pathologic features characteristic of ALZHEIMER DISEASE may also be present. 331.82 is a specific code that can be used to specify a diagnosis 331.82 contains 4 index entries View the ICD-9-CM Volume 1 331.* hierarchy Alternate Terminology Dementia with Parkinsonism Lewy body dementia Lewy body disease  Index entries containing 331.82: Dementia 294.8 Lewy body 331.82 with behavioral disturbance 331.82 [294.11] without behavioral disturbance 331.82 [294.10] Disease, diseased - see also Syndrome Lewy body 331.82 with dementia with behavioral disturbance 331.82 [294.11] without behavioral disturbance 331.82 [294.10] Lewy body dementia 331.82 Lewy body disease 331.82