Non-specific code 2015 ICD-9-CM Diagnosis Code 204.9
Unspecified lymphoid leukemia
  • 2015
  • Non-Billable Code

  • There are 3 ICD-9-CM codes below 204.9 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
Clinical Information
  • 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
  • A progressive, proliferative disease of blood cells, originating from lymphoid cells
  • A type of cancer in which the bone marrow makes too many lymphocytes (white blood cells)
  • Leukemia associated with hyperplasia and overactivity of the lymphoid tissue; there are increased numbers of circulating malignant lymphocytes and lymphoblasts
  • Leukemia associated with hyperplasia of the lymphoid tissues and increased numbers of circulating malignant lymphocytes and lymphoblasts
ICD-9-CM Volume 2 Index entries containing back-references to 204.9:
  • Infiltrate, infiltration
    • lymphatic (see also Leukemia, lymphatic) 204.9
  • Leukemia, leukemic (congenital) (M9800/3) 208.9
    • lymphatic (M9820/3) 204.9
    • lymphocytic (M9820/3) 204.9
    • lymphoid (M9820/3) 204.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 204.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.