2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Other And Unspecified Sites 190-199 > Secondary Malignant Neoplasm Of Other Specified Sites 198.* > 2006 ICD-9-CM Diagnosis 198.5 Secondary malignant neoplasm of bone and bone marrow View the most recent version of ICD-9-CM 198.5 Cancer that has spread from the original (primary) tumor to the bone. The spread of a malignant neoplasm from a primary site to the skeletal system. The majority of metastatic neoplasms to the bone are carcinomas. 198.5 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 198.* hierarchy