AHA Coding Clinic® for ICD-9 - 2011 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES

Drug-induced Pancytopenia

Effective October 1, 2011 code 284.1 has been expanded to uniquely identify antineoplastic chemotherapy induced pancytopenia (284.11), other drug induced pancytopenia (284.12) and other pancytopenia (284.19). Previously, code 284.89, Other specified aplastic anemia, was assigned for chemotherapy induced pancytopenia. This caused a lack of specificity in coding and reporting both chemotherapy induced pancytopenia and other drug induced pancytopenia. Pancytopenia is an abnormally low level of all blood cells produced by the bone marrow. This includes a low level of red blood cells (RBCs), white blood cells (WBCs) and platelets. Antineoplastic chemotherapy induced pancytopenia is...

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