FB81.Y
Other specified osteonecrosis
Other specified osteonecrosis
ICD-10 Equivalents(2)
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 other specified osteonecrosis?
The ICD-11 code for other specified osteonecrosis is FB81.Y. The full clinical description is "Other specified osteonecrosis".
What does ICD-11 code FB81.Y mean?
ICD-11 code FB81.Y represents “Other specified osteonecrosis”. It is classified under Chapter 15: Diseases of the Musculoskeletal System or Connective Tissue.
What chapter is FB81.Y in?
FB81.Y 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.Y?
FB81.Y maps to 2 ICD-10 codes: M87.3 (Other secondary osteonecrosis), M90.5 (Osteonecrosis in diseases classified elsewhere). 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.Y?
FB81.Y is linked to 2 UMLS Concept Unique Identifiers: C0477687, C2902422. 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.