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 > 2006 ICD-9-CM Diagnosis 334 Spinocerebellar disease View the most recent version of ICD-9-CM 334 A heterogenous group of degenerative syndromes marked by progressive cerebellar dysfunction either in isolation or combined with other neurologic manifestations. Sporadic and inherited subtypes occur. Inheritance patterns include autosomal dominant, autosomal recessive, and X-linked. 334 is a non-specific code that cannot be used to specify a diagnosis 334 Excludes olivopontocerebellar degeneration (333.0) peroneal muscular atrophy (356.1)