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ICD-10-CM-2023 Diagnosis Codes Overview
ICD-10-CM-2023 > C00-D49 > C81-C96 > C91
C81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue
Excl2.:
Kaposi's sarcoma of lymph nodes (C46.3)
secondary and unspecified neoplasm of lymph nodes (C77.-)
secondary neoplasm of bone marrow (C79.52)
secondary neoplasm of spleen (C78.89)
C91

Lymphoid leukemia

Excl1.:
personal history of leukemia (Z85.6)
C91.0

Acute lymphoblastic leukemia [ALL]

Info:
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
Info:
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

Info:
Lymphoplasmacytic leukemia
Richter syndrome
Excl1.:
lymphoplasmacytic lymphoma (C83.0-)
C91.10
Chronic lymphocytic leukemia of B-cell type not having achieved remission
Info:
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
Info:
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

Info:
Leukemic reticuloendotheliosis
C91.40
Hairy cell leukemia not having achieved remission
Info:
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)

Info:
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
Info:
Adult T-cell lymphoma/leukemia (HTLV-1-associated) with failed remission
Adult T-cell lymphoma/leukemia (HTLV-1-associated) NOS
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
Info:
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

Excl1.:
Burkitt lymphoma (C83.7-)
C91.A0
Mature B-cell leukemia Burkitt-type not having achieved remission
Info:
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

Info:
T-cell large granular lymphocytic leukemia (associated with rheumatoid arthritis)
C91.Z0
Other lymphoid leukemia not having achieved remission
Info:
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
Info:
Lymphoid leukemia with failed remission
Lymphoid leukemia NOS
C91.91
Lymphoid leukemia, unspecified, in remission
C91.92
Lymphoid leukemia, unspecified, in relapse

 

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