ICD-10-CM Current in FY 2027
C91
Lymphoid leukemia
- Release
- FY 2027
- Effective
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files.
Excludes1
personal history of leukemia ( Z85.6 )
More Specific Codes
9 codes under C91
- C91.0 Acute lymphoblastic leukemia [ALL] Has subcodes
- C91.1 Chronic lymphocytic leukemia of B-cell type Has subcodes
- C91.3 Prolymphocytic leukemia of B-cell type Has subcodes
- C91.4 Hairy cell leukemia Has subcodes
- C91.5 Adult T-cell lymphoma/leukemia (HTLV-1-associated) Has subcodes
- C91.6 Prolymphocytic leukemia of T-cell type Has subcodes
- C91.A Mature B-cell leukemia Burkitt-type Has subcodes
- C91.Z Other lymphoid leukemia Has subcodes
- C91.9 Lymphoid leukemia, unspecified Has subcodes
Version History
How C91 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentLymphoid leukemia
-
FY 2026 Effective
UnchangedLymphoid leukemia
Related Codes
Codes whose official notes reference C91
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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