C91.4
Hairy-cell leukaemia
Coding guidance (WHO 2019)
Leukaemic reticuloendotheliosis
Sibling codes
C91Lymphoid leukaemiaC91.0Acute lymphoblastic leukaemia [ALL]C91.1Chronic lymphocytic leukaemia of B-cell typeC91.3Prolymphocytic leukaemia of B-cell typeC91.5Adult T-cell lymphoma/leukaemia [HTLV-1-associated]C91.6Prolymphocytic leukaemia of T-cell typeC91.7Other lymphoid leukaemiaC91.8Mature B-cell leukaemia Burkitt-typeC91.9Lymphoid leukaemia, unspecified