2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Lymphatic And Hematopoietic Tissue 200-208 > Other Malignant Neoplasms Of Lymphoid And Histiocytic Tissue 202.* > 2006 ICD-9-CM Diagnosis 202.9 Other and unspecified malignant neoplasms of lymphoid and histiocytic tissue View the most recent version of ICD-9-CM 202.9 Malignant neoplasms that either originate from the bone marrow (e.g. myeloid leukemias) or involve the bone marrow as secondary-metastatic tumors (e.g. metastatic carcinomas to the bone marrow). --2003 A neoplastic proliferation of Langerhans cells with overtly malignant cytologic features. It can be considered a higher grade variant of Langerhans cell histiocytosis (LCH) and it can present de novo or progress from antecedent LCH. (WHO, 2001) -- 2003 202.9 is a non-specific code that cannot be used to specify a diagnosis 202.9 contains 3 index entries View the ICD-9-CM Volume 1 202.* hierarchy Alternate Terminology Follicular dendritic cell sarcoma Interdigitating dendritic cell sarcoma Langerhans cell sarcoma Malignant neoplasm of bone marrow NOS  Index entries containing 202.9: Sarcoma (M8800/3) - see also Neoplasm, connective tissue, malignant follicular dendritic cell 202.9 interdigitating dendritic cell 202.9 Langerhans cell 202.9