FB81.0
Idiopathic aseptic osteonecrosis
Idiopathic aseptic osteonecrosis
Classification
ICD-11
Block
FB80-FB8ZParent Code
FB81ICD-10 Mapping
2 equivalentsWHO Foundation
View on WHOICD-10 Equivalents(2)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(3)
Frequently Asked Questions
What is the ICD-11 code for idiopathic aseptic osteonecrosis?
The ICD-11 code for idiopathic aseptic osteonecrosis is FB81.0. The full clinical description is "Idiopathic aseptic osteonecrosis".
What does ICD-11 code FB81.0 mean?
ICD-11 code FB81.0 represents “Idiopathic aseptic osteonecrosis”. It is classified under Chapter 15: Diseases of the Musculoskeletal System or Connective Tissue.
What chapter is FB81.0 in?
FB81.0 is in Chapter 15: Diseases of the Musculoskeletal System or Connective Tissue (codes FA00-FC0Z).
What is the ICD-10 equivalent of ICD-11 code FB81.0?
FB81.0 maps to 2 ICD-10 codes: M87.0 (Idiopathic aseptic necrosis of bone), M93.1 (Kienbock's disease of adults). 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 FB81.0?
FB81.0 is linked to 3 UMLS Concept Unique Identifiers: C0451877, C2902597, C0349356. 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.