C91

The ICD-10-CM code for lymphoid leukemia is C91. The full clinical description is "Lymphoid leukemia". C91 is a non-billable header code. Use a more specific child code for billing purposes.

ICD-10-CM code C91 represents “Lymphoid leukemia”. It is classified under Chapter 2: Neoplasms and is a non-billable header code. Use a more specific child code for billing purposes.

No, C91 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under C91.

C91 is in Chapter 2: Neoplasms (codes C00-D49).

C91 has Excludes1 notes indicating codes that cannot be used together with it, including: personal history of leukemia (Z85.6).

C91 has 9 child codes, including: C91.0 (Acute lymphoblastic leukemia [ALL]), C91.1 (Chronic lymphocytic leukemia of B-cell type), C91.3 (Prolymphocytic leukemia of B-cell type), C91.4 (Hairy cell leukemia), and 5 more.

C91 is linked to 1 UMLS Concept Unique Identifier: C0023448. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like lymphoid leukemia affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

C91 maps to the ICD-11 code: 2B33.3 (Lymphoid leukaemia, not elsewhere classified).