AA40.2
Cholesteatoma of external auditory canal
Cholesteatoma of external auditory canal
Classification
ICD-11
Block
AA40-AA4ZParent Code
AA40ICD-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(2)
Frequently Asked Questions
What is the ICD-11 code for cholesteatoma of external auditory canal?
The ICD-11 code for cholesteatoma of external auditory canal is AA40.2. The full clinical description is "Cholesteatoma of external auditory canal".
What does ICD-11 code AA40.2 mean?
ICD-11 code AA40.2 represents “Cholesteatoma of external auditory canal”. It is classified under Chapter 10: Diseases of the Ear or Mastoid Process.
What chapter is AA40.2 in?
AA40.2 is in Chapter 10: Diseases of the Ear or Mastoid Process (codes AA00-AC0Z).
What is the ICD-10 equivalent of ICD-11 code AA40.2?
AA40.2 maps to the ICD-10 code: H60.4 (Cholesteatoma of external ear). 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 UMLS concepts map to ICD-11 code AA40.2?
AA40.2 is linked to 2 UMLS Concept Unique Identifiers: C0155398, C0334020. 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.