2011 ICD-9-CM Diagnosis Code 204.1
Lymphoid leukemia chronic
- chronic leukemia characterized by morphologically mature but immunologically less mature lymphocytes; manifested by an abnormal accumulation of these cells in blood, bone marrow, and lymphatic tissue.
- A slowly progressing disease in which too many white blood cells (called lymphocytes) are found in the body.
- The most common type of chronic lymphoid leukemia. It comprises 90% of chronic lymphoid leukemias in the United States. Morphologically, the neoplastic cells are small, round B-lymphocytes. This type of leukemia is not considered to be curable with available therapy. (WHO, 2001)
- There are 3 ICD-9-CM codes below 204.1 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
- You are viewing the 2011 version of ICD-9-CM 204.1.
- More recent version(s) of ICD-9-CM 204.1: 2012 2013.
ICD-9-CM Volume 2 Index entries containing back-references to 204.1:
lymphatic (M9820/3) 
subleukemic (M9824/3) 
