2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Other And Unspecified Sites 190-199 > Malignant Neoplasm Of Brain 191.* > 2006 ICD-9-CM Diagnosis 191.6 Malignant neoplasm of cerebellum nos View the most recent version of ICD-9-CM 191.6 Primary and secondary (metastatic) malignant tumors that occur in the cerebellum. Histologic types include medulloblastomas, high grade (WHO Stage III or IV) cerebellar astrocytomas, lymphomas, gangliogliomas, gliosarcomas, and several other subtypes. The most frequent malignant cerebellar neoplasm of childhood is medulloblastoma. In adults, metastases from other sites are relatively common. Clinical features include ataxia, headache, nausea, dizzyness, nystagmus, diplopia, papilledema, etc. 191.6 is a specific code that can be used to specify a diagnosis 191.6 contains 6 index entries View the ICD-9-CM Volume 1 191.* hierarchy Alternate Terminology Cerebellopontine angle  Index entries containing 191.6: Medulloblastoma (M9470/3) desmoplastic (M9471/3) 191.6 unspecified site 191.6 Medullomyoblastoma (M9472/3) unspecified site 191.6 Sarcoma (M8800/3) - see also Neoplasm, connective tissue, malignant cerebellar (M9480/3) 191.6 circumscribed (arachnoidal) (M9471/3) 191.6 circumscribed (arachnoidal) cerebellar (M9471/3) 191.6