G31.9 Degenerative disease of nervous system, unspecified

The following code(s) above G31.9 may contain annotation back-references that may be applicable to G31.9:

• Diseases of the nervous system (G00-G99)

Diagnosis Index

Atrophy, Atrophic
- Brain G31.9
Degeneration, Degenerative
- Brain G31.9
-- Childhood G31.9
- Cerebellar NOS G31.9
- Nervous System G31.9
Hemiatrophy R68.89
- Cerebellar G31.9