2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Other And Unspecified Sites 190-199 > 2006 ICD-9-CM Diagnosis 199 Malignant neoplasm without specification of site View the most recent version of ICD-9-CM 199 A term for diseases in which abnormal cells divide without control. Cancer cells can invade nearby tissues and can spread through the bloodstream and lymphatic system to other parts of the body. A tumor composed of atypical neoplastic, often pleomorphic cells that invade other tissues. Malignant neoplasms usually metastasize to distant anatomic sites and may recur after excision. The most common malignant neoplasms are carcinomas (adenocarcinomas or squamous cell carcinomas), Hodgkin's and non-Hodgkin's lymphomas, leukemias, melanomas, and sarcomas. -- 2004 A cancerous tumor that can invade and destroy nearby tissue and spread to other parts of the body. 199 is a non-specific code that cannot be used to specify a diagnosis