2009 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 330-337 > Disorders Of The Autonomic Nervous System 337.* > 2009 ICD-9-CM Diagnosis 337.0 Idiopathic peripheral autonomic neuropathy 337.0 is a non-specific code that cannot be used to specify a diagnosis View the ICD-9-CM Volume 1 337.* hierarchy ICD9Data's sister site ProcedureCodes.com launches with the 2008/09 CPT® codes - read more on the ICD9Data.com blog.