ICD-10-CM > C00-D49 > C81-C96 > C91 C91 Lymphoid leukemia Non-Billable/Non-Specific Type 1 Excludes personal history of leukemia (Z85.6) Codes C91.0Acute lymphoblastic leukemia [ALL]C91.00Acute lymphoblastic leukemia not having achieved remissionC91.01Acute lymphoblastic leukemia, in remissionC91.02Acute lymphoblastic leukemia, in relapseC91.1Chronic lymphocytic leukemia of B-cell typeC91.10Chronic lymphocytic leukemia of B-cell type not having achieved remissionC91.11Chronic lymphocytic leukemia of B-cell type in remissionC91.12Chronic lymphocytic leukemia of B-cell type in relapseC91.3Prolymphocytic leukemia of B-cell typeC91.30Prolymphocytic leukemia of B-cell type not having achieved remissionC91.31Prolymphocytic leukemia of B-cell type, in remissionC91.32Prolymphocytic leukemia of B-cell type, in relapseC91.4Hairy cell leukemiaC91.40Hairy cell leukemia not having achieved remissionC91.41Hairy cell leukemia, in remissionC91.42Hairy cell leukemia, in relapseC91.5Adult T-cell lymphoma/leukemia (HTLV-1-associated)C91.50Adult T-cell lymphoma/leukemia (HTLV-1-associated) not having achieved remissionC91.51Adult T-cell lymphoma/leukemia (HTLV-1-associated), in remissionC91.52Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapseC91.6Prolymphocytic leukemia of T-cell typeC91.60Prolymphocytic leukemia of T-cell type not having achieved remissionC91.61Prolymphocytic leukemia of T-cell type, in remissionC91.62Prolymphocytic leukemia of T-cell type, in relapseC91.AMature B-cell leukemia Burkitt-typeC91.A0Mature B-cell leukemia Burkitt-type not having achieved remissionC91.A1Mature B-cell leukemia Burkitt-type, in remissionC91.A2Mature B-cell leukemia Burkitt-type, in relapseC91.ZOther lymphoid leukemiaC91.Z0Other lymphoid leukemia not having achieved remissionC91.Z1Other lymphoid leukemia, in remissionC91.Z2Other lymphoid leukemia, in relapseC91.9Lymphoid leukemia, unspecifiedC91.90Lymphoid leukemia, unspecified not having achieved remissionC91.91Lymphoid leukemia, unspecified, in remissionC91.92Lymphoid leukemia, unspecified, in relapse