ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 2  /  C81-C96  /  C91
C91 Lymphoid leukemia
Excludes1 personal history of leukemia (Z85.6)
C91.0 Acute lymphoblastic leukemia [ALL]
Notes Codes in subcategory C91.0- should only be used for T-cell and B-cell precursor leukemia
C91.00 Acute lymphoblastic leukemia not having achieved remission
Acute lymphoblastic leukemia with failed remission
Acute lymphoblastic leukemia NOS
C91.01 Acute lymphoblastic leukemia, in remission
C91.02 Acute lymphoblastic leukemia, in relapse
C91.1 Chronic lymphocytic leukemia of B-cell type
Lymphoplasmacytic leukemia
Richter syndrome
Excludes1 lymphoplasmacytic lymphoma (C83.0-)
C91.10 Chronic lymphocytic leukemia of B-cell type not having achieved remission
Chronic lymphocytic leukemia of B-cell type with failed remission
Chronic lymphocytic leukemia of B-cell type NOS
C91.11 Chronic lymphocytic leukemia of B-cell type in remission
C91.12 Chronic lymphocytic leukemia of B-cell type in relapse
C91.3 Prolymphocytic leukemia of B-cell type
C91.30 Prolymphocytic leukemia of B-cell type not having achieved remission
Prolymphocytic leukemia of B-cell type with failed remission
Prolymphocytic leukemia of B-cell type NOS
C91.31 Prolymphocytic leukemia of B-cell type, in remission
C91.32 Prolymphocytic leukemia of B-cell type, in relapse
C91.4 Hairy cell leukemia
Leukemic reticuloendotheliosis
C91.40 Hairy cell leukemia not having achieved remission
Hairy cell leukemia with failed remission
Hairy cell leukemia NOS
C91.41 Hairy cell leukemia, in remission
C91.42 Hairy cell leukemia, in relapse
C91.5 Adult T-cell lymphoma/leukemia (HTLV-1-associated)
Acute variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Chronic variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Lymphomatoid variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
Smouldering variant of adult T-cell lymphoma/leukemia (HTLV-1-associated)
C91.50 Adult T-cell lymphoma/leukemia (HTLV-1-associated) not having achieved remission
Adult T-cell lymphoma/leukemia (HTLV-1-associated) with failed remission
Adult T-cell lymphoma/leukemia (HTLV-1-associated) NOS
age Adult: [15-124]
C91.51 Adult T-cell lymphoma/leukemia (HTLV-1-associated), in remission
age Adult: [15-124]
C91.52 Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse
age Adult: [15-124]
C91.6 Prolymphocytic leukemia of T-cell type
C91.60 Prolymphocytic leukemia of T-cell type not having achieved remission
Prolymphocytic leukemia of T-cell type with failed remission
Prolymphocytic leukemia of T-cell type NOS
C91.61 Prolymphocytic leukemia of T-cell type, in remission
C91.62 Prolymphocytic leukemia of T-cell type, in relapse
C91.A Mature B-cell leukemia Burkitt-type
Excludes1 Burkitt lymphoma (C83.7-)
C91.A0 Mature B-cell leukemia Burkitt-type not having achieved remission
Mature B-cell leukemia Burkitt-type with failed remission
Mature B-cell leukemia Burkitt-type NOS
C91.A1 Mature B-cell leukemia Burkitt-type, in remission
C91.A2 Mature B-cell leukemia Burkitt-type, in relapse
C91.Z Other lymphoid leukemia
T-cell large granular lymphocytic leukemia (associated with rheumatoid arthritis)
C91.Z0 Other lymphoid leukemia not having achieved remission
Other lymphoid leukemia with failed remission
Other lymphoid leukemia NOS
C91.Z1 Other lymphoid leukemia, in remission
C91.Z2 Other lymphoid leukemia, in relapse
C91.9 Lymphoid leukemia, unspecified
C91.90 Lymphoid leukemia, unspecified not having achieved remission
Lymphoid leukemia with failed remission
Lymphoid leukemia NOS
C91.91 Lymphoid leukemia, unspecified, in remission
C91.92 Lymphoid leukemia, unspecified, in relapse