There are 3 ICD-9-CM codes below 204.0 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
A quickly progressing disease in which too many immature white blood cells called lymphoblasts are found in the blood and bone marrow
Acute leukemia in which lymphoblasts and their progenitor cells predominate; the most common childhood cancer and accounts for 20 percent of adult acute leukemia; common all antigen (calla) expressed in most cases
Leukemia with an acute onset, characterized by the presence of lymphoblasts in the bone marrow and the peripheral blood. It includes the precursor b lymphoblastic leukemia and precursor t lymphoblastic leukemia
204.0 Excludes
acute exacerbation of chronic lymphoid leukemia (204.1)