331.82 DEMENTIA W LEWY BODIES


Code Information

Diagnosis Code: 331.82

Short Description: Dementia w Lewy bodies

Long Description: Dementia with lewy bodies

Code Classification:

  • Diseases of the nervous system (320–359)
    • Hereditary and degenerative diseases of the central nervous system (330-337)
      • 331 Other cerebral degenerations
        • 331.82 Dementia w Lewy bodies

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 331.82 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Dementia 294.20
    • due to or associated with condition(s) classified elsewhere
      • Lewy bodies
        • with behavioral disturbance 331.82 [294.11]
        • without behavioral disturbance 331.82 [294.10]
      • Parkinsonism
        • with behavioral disturbance 331.82 [294.11]
        • without behavioral disturbance 331.82 [294.10]
    • 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

Crosswalk Information

The code 331.82 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
331.82 Right Arrow G31.83 Dementia with Lewy bodies
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
331.0 Alzheimer's disease
331.11 Pick's disease
331.19 Other frontotemporal dementia
331.2 Senile degeneration of brain
331.3 Communicating hydrocephalus
331.4 Obstructive hydrocephalus
331.5 Idiopathic normal pressure hydrocephalus (INPH)
331.6 Corticobasal degeneration
331.7 Cerebral degeneration in diseases classified elsewhere
331.81 Reye's syndrome
331.83 Mild cognitive impairment, so stated
331.89 Other cerebral degeneration
331.9 Cerebral degeneration, unspecified


This page was last updated on: 10/1/2014