ICD-10-CM > C00-D49 > C81-C96 > C91 > C91.1 > C91.10 C91.10 Chronic lymphocytic leukemia of B-cell type not having achieved remission Billable/Specific Copy Code Copy Description Applicable To Chronic lymphocytic leukemia of B-cell type with failed remissionChronic lymphocytic leukemia of B-cell type NOS