C91 - Lymphoid leukemia
C91.6 - Prolymphocytic leukemia of T-cell type
C91.60 - Prolymphocytic leukemia of T-cell type not having achieved remission
C91.61 - Prolymphocytic leukemia of T-cell type, in remission
C91.62 - Prolymphocytic leukemia of T-cell type, in relapse