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G31.1 - Senile degeneration of brain, not elsewhere classified


The ICD 10 Code for Senile degeneration of brain, not elsewhere classified is listed as G31.1.
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: G31.1
Description: Senile degeneration of brain, not elsewhere classified
  • Excludes1: Alzheimer's disease (G30.-)
  • senility NOS (R41.81)
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 - Other degenerative diseases of nervous system, not elsewhere classified
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 331.2 - Senile degeneration of brain
ICD-10-CM Siblings (same level / similar specificity) of G31.1:
G31.0 - Frontotemporal dementia
G31.2 - Degeneration of nervous system due to alcohol
G31.8 - Other specified degenerative diseases of nervous system
G31.9 - Degenerative disease of nervous system, unspecified