G31.9✓ Billable
Degenerative disease of nervous system, unspecified
Code Hierarchy
┌6Diseases of the nervous system (G00-G99)├G30-G32Other degenerative diseases of the nervous system (G30-G32)├G31Other degenerative diseases of nervous system, not elsewhere classified
└G31.9Degenerative disease of nervous system, unspecified
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