C91.4

Applicable To

• Leukemic reticuloendotheliosis

Clinical Information

• A neoplastic disease of the lymphoreticular cells which is considered to be a rare type of chronic leukemia; it is characterized by an insidious onset, splenomegaly, anemia, granulocytopenia, thrombocytopenia, little or no lymphadenopathy, and the presence of “hairy” or “flagellated” cells in the blood and bone marrow.

• A rare neoplasm of small b-lymphocytes with “hairy” projections in bone marrow, spleen, and peripheral blood. Most patients are middle-aged to elderly adults and present with splenomegaly and pancytopenia. who, 2001)

• A rare type of leukemia in which abnormal b-lymphocytes a type of white blood cell) are present in the bone marrow, spleen, and peripheral blood. When viewed under a microscope, these cells appear to be covered with tiny hair-like projections.

• Neoplastic disease of the lymphoreticular cells which is considered to be a rare type of chronic leukemia; it is characterized by an insidious onset, splenomegaly, anemia, granulocytopenia, thrombocytopenia, little or no lymphadenopathy, and the presence of hairy or flagellated cells in the blood and bone marrow.

Details

• C91.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.

• The 2023 edition of ICD-10-CM C91.4 became effective on October 1, 2022.

• This is the American ICD-10-CM version of C91.4 – other international versions of ICD-10 C91.4 may differ.