C91 Lymphoid leukemia

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Type 1 Excludes

personal history of leukemia (Z85.6)

Child Codes


Sibling Codes


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Code Title
C00-D49 Neoplasms (C00-D49)
C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
C91 Lymphoid leukemia
Type 1 Excludes
personal history of leukemia (Z85.6)

C91.0 Acute lymphoblastic leukemia [ALL]
C91.00 Acute lymphoblastic leukemia not having achieved remission
C91.01 Acute lymphoblastic leukemia, in remission
C91.02 Acute lymphoblastic leukemia, in relapse
C91.1 Chronic lymphocytic leukemia of B-cell type
C91.10 Chronic lymphocytic leukemia of B-cell type not having achieved remission
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
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
C91.40 Hairy cell leukemia not having achieved remission
C91.41 Hairy cell leukemia, in remission
C91.42 Hairy cell leukemia, in relapse
C91.5 Adult T-cell lymphoma/leukemia (HTLV-1-associated)
C91.50 Adult T-cell lymphoma/leukemia (HTLV-1-associated) not having achieved remission
C91.51 Adult T-cell lymphoma/leukemia (HTLV-1-associated), in remission
C91.52 Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse
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
C91.A Mature B-cell leukemia Burkitt-type
C91.A0 Mature B-cell leukemia Burkitt-type not having achieved remission
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
C91.Z0 Other lymphoid leukemia not having achieved remission
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
C91.91 Lymphoid leukemia, unspecified, in remission
C91.92 Lymphoid leukemia, unspecified, in relapse