2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Hereditary And Degenerative Diseases Of The Central Nervous System 330-338 > Cerebral Degenerations Usually Manifest In Childhood 330.* > 2006 ICD-9-CM Diagnosis 330.9 Unspecified cerebral degeneration in childhood View the most recent version of ICD-9-CM 330.9 330.9 is a specific code that can be used to specify a diagnosis 330.9 contains 2 index entries View the ICD-9-CM Volume 1 330.* hierarchy  Index entries containing 330.9: Degeneration, degenerative brain (cortical) (progressive) 331.9 childhood 330.9 specified type NEC 330.8 Heredodegeneration 330.9 macular 362.70