C91.1
Chronic lymphocytic leukemia of B-cell type
Non-billableCategory
Code Hierarchy
C91C91.1
Coding Guidelines
Inclusion Terms
- Lymphoplasmacytic leukemia
- Richter syndrome
Excludes1 (Mutually Exclusive)
These codes should never be used together with C91.1
- lymphoplasmacytic lymphoma (C83.0-)
Specific Codes (3)
Related Codes
C91.0Category
Acute lymphoblastic leukemia [ALL]
C91.3Category
Prolymphocytic leukemia of B-cell type
C91.4Category
Hairy cell leukemia
C91.5Category
Adult T-cell lymphoma/leukemia (HTLV-1-associated)
C91.6Category
Prolymphocytic leukemia of T-cell type
C91.ACategory
Mature B-cell leukemia Burkitt-type
C91.ZCategory
Other lymphoid leukemia
C91.9Category
Lymphoid leukemia, unspecified
