2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Lymphatic And Hematopoietic Tissue 200-208 > Lymphoid Leukemia 204.* > 2006 ICD-9-CM Diagnosis 204.9 Unspecified lymphoid leukemia View the most recent version of ICD-9-CM 204.9 A malignant lymphocytic neoplasm of B-cell or T-cell lineage involving primarily the bone marrow and the peripheral blood. This category includes precursor or acute lymphoblastic leukemias and chronic leukemias. --2003 Leukemia associated with hyperplasia and overactivity of the lymphoid tissue. There are increased numbers of circulating malignant lymphocytes and lymphoblasts. 204.9 is a non-specific code that cannot be used to specify a diagnosis 204.9 contains 4 index entries View the ICD-9-CM Volume 1 204.* hierarchy  Index entries containing 204.9: Infiltrate, infiltration lymphatic (see also Leukemia, lymphatic) 204.9 gland, pigmentary 289.3 Leukemia, leukemic (congenital) (M9800/3) 208.9 lymphatic (M9820/3) 204.9 acute (M9821/3) 204.0 aleukemic (M9824/3) 204.8 chronic (M9823/3) 204.1 subacute (M9822/3) 204.2 subleukemic (M9824/3) 204.8 lymphocytic (M9820/3) 204.9 acute (M9821/3) 204.0 aleukemic (M9824/3) 204.8 chronic (M9823/3) 204.1 subacute (M9822/3) 204.2 subleukemic (M9824/3) 204.8 lymphoid (M9820/3) 204.9 acute (M9821/3) 204.0 aleukemic (M9824/3) 204.8 blastic (M9821/3) 204.0 chronic (M9823/3) 204.1 subacute (M9822/3) 204.2 subleukemic (M9824/3) 204.8