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G31.83 - Dementia with Lewy bodies


The ICD 10 Code for Dementia with Lewy bodies is listed as G31.83.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: G31.83
Description: Dementia with Lewy bodies
  • Dementia with Parkinsonism
  • Lewy body dementia
  • Lewy body disease
Diagnostic Related Groups
(MS-DRG v30.0)
056 - Degenerative Nervous System Disorders W Mcc
057 - Degenerative Nervous System Disorders W/o Mcc
Chapter Diseases of the nervous system (G00-G99)
Block Other degenerative diseases of the nervous system (G30-G32)
Parent G31.8 - Other specified degenerative diseases of nervous system
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 331.82 - Dementia with lewy bodies
ICD-10-CM Siblings (same level / similar specificity) of G31.83:
G31.81 - Alpers disease
G31.82 - Leigh's disease
G31.84 - Mild cognitive impairment, so stated
G31.85 - Corticobasal degeneration
G31.89 - Other specified degenerative diseases of nervous system