ICD-10-CM > C00-D49 > C81-C96 > C91 > C91.3 C91.3 Prolymphocytic leukemia of B-cell type Non-Billable/Non-Specific Codes C91.30Prolymphocytic leukemia of B-cell type not having achieved remissionC91.31Prolymphocytic leukemia of B-cell type, in remissionC91.32Prolymphocytic leukemia of B-cell type, in relapse