2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Neoplasms Of Uncertain Behavior 235-238 > Neoplasm Of Uncertain Behavior Of Endocrine Glands And Nervous System 237.* > 2006 ICD-9-CM Diagnosis 237.9 Neoplasm of uncertain behavior of other and unspecified parts of nervous system View the most recent version of ICD-9-CM 237.9 237.9 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 237.* hierarchy Alternate Terminology Cranial nerves 237.9 Excludes peripheral, sympathetic, and parasympathetic nerves and ganglia (238.1)