G31.9

Approximate Synonyms

• Acquired cerebral atrophy

• Cerebellar paraneoplastic degeneration

• Cerebral atrophy, acquired

• Cerebral degeneration in childhood

• Degenerative brain disorder

• Paraneoplastic cerebellar degeneration

Clinical Information

• A disorder of the central nervous system characterized by gradual and progressive loss of neural tissue and neurologic function.

• Hereditary and sporadic conditions which are characterized by progressive nervous system dysfunction. These disorders are often associated with atrophy of the affected central or peripheral nervous system structures.

• Neurologic disorders characterized by progressive nervous system dysfunction and loss of neural tissue.

Details

• G31.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM G31.9 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G31.9 – other international versions of ICD-10 G31.9 may differ.