2B33.4
Leukaemia, unspecified
Leukaemia, unspecified
Classification
ICD-11
Chapter
2: NeoplasmsBlock
2A20-2B3ZParent Code
2B33ICD-10 Mapping
4 equivalentsWHO Foundation
View on WHOICD-10 Equivalents(4)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-11 code for leukaemia, unspecified?
The ICD-11 code for leukaemia, unspecified is 2B33.4. The full clinical description is "Leukaemia, unspecified".
What does ICD-11 code 2B33.4 mean?
ICD-11 code 2B33.4 represents “Leukaemia, unspecified”. It is classified under Chapter 2: Neoplasms.
What chapter is 2B33.4 in?
2B33.4 is in Chapter 2: Neoplasms (codes 2A00-2F9Z).
What is the ICD-10 equivalent of ICD-11 code 2B33.4?
2B33.4 maps to 4 ICD-10 codes: C95 (Leukemia of unspecified cell type), C95.1 (Chronic leukemia of unspecified cell type), C957, and 1 more. ICD-10 and ICD-11 do not always have one-to-one mappings — check the mapping type (equivalent, approximate, narrower, or broader) for each result.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What UMLS concepts map to ICD-11 code 2B33.4?
2B33.4 is linked to 2 UMLS Concept Unique Identifiers: C0023418, C1279296. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.