2A21.0
Systemic mastocytosis
Systemic mastocytosis
Classification
ICD-11
Chapter
2: NeoplasmsBlock
2A20-2A2ZParent Code
2A21Child Codes
3
WHO Foundation
View on WHOChild Codes (3)
Frequently Asked Questions
What is the ICD-11 code for systemic mastocytosis?
The ICD-11 code for systemic mastocytosis is 2A21.0. The full clinical description is "Systemic mastocytosis".
What does ICD-11 code 2A21.0 mean?
ICD-11 code 2A21.0 represents “Systemic mastocytosis”. It is classified under Chapter 2: Neoplasms.
What chapter is 2A21.0 in?
2A21.0 is in Chapter 2: Neoplasms (codes 2A00-2F9Z).
What is the ICD-10 equivalent of ICD-11 code 2A21.0?
There is no direct ICD-10 mapping available for 2A21.0 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-10. Use the ICD-11 to ICD-10 converter to search for related codes.
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.
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