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 204.91 Unspecified lymphoid leukemia in remission View the most recent version of ICD-9-CM 204.91 The abatement of lymphoid leukemia, response to therapy. 204.91 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 204.* hierarchy