3A21.0
Paroxysmal nocturnal haemoglobinuria
Paroxysmal nocturnal haemoglobinuria
Classification
ICD-11
Block
3A20-3A2ZParent Code
3A21ICD-10 Mapping
1 equivalentWHO Foundation
View on WHOICD-10 Equivalents(1)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(5)
Frequently Asked Questions
What is the ICD-11 code for paroxysmal nocturnal haemoglobinuria?
The ICD-11 code for paroxysmal nocturnal haemoglobinuria is 3A21.0. The full clinical description is "Paroxysmal nocturnal haemoglobinuria".
What does ICD-11 code 3A21.0 mean?
ICD-11 code 3A21.0 represents “Paroxysmal nocturnal haemoglobinuria”. It is classified under Chapter 3: Diseases of the Blood or Blood-Forming Organs.
What chapter is 3A21.0 in?
3A21.0 is in Chapter 3: Diseases of the Blood or Blood-Forming Organs (codes 3A00-3C9Z).
What is the ICD-10 equivalent of ICD-11 code 3A21.0?
3A21.0 maps to the ICD-10 code: D59.5 (Paroxysmal nocturnal hemoglobinuria [Marchiafava-Micheli]). This is an equivalent mapping.
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 SNOMED CT codes does 3A21.0 map to?
3A21.0 maps to 4 SNOMED CT concepts: 1963002, 724856009, 1251387004, 441990004. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code 3A21.0?
3A21.0 is linked to 1 UMLS Concept Unique Identifier: C0024790. 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.