Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes C00-D49 – Neoplasms (C00-D49) > 2024 ICD-10-CM Codes C81-C96 – Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96) > 2024 ICD-10-CM Codes C91 – Lymphoid leukemia (C91) > 2024 ICD-10-CM Codes C91.5 – Adult T-cell lymphoma/leukemia (HTLV-1-associated)