AA40.0
Exostosis of external auditory canal
Exostosis of external auditory canal
Frequently Asked Questions
What is the ICD-11 code for exostosis of external auditory canal?
The ICD-11 code for exostosis of external auditory canal is AA40.0. The full clinical description is "Exostosis of external auditory canal".
What does ICD-11 code AA40.0 mean?
ICD-11 code AA40.0 represents “Exostosis of external auditory canal”. It is classified under Chapter 10: Diseases of the Ear or Mastoid Process.
What chapter is AA40.0 in?
AA40.0 is in Chapter 10: Diseases of the Ear or Mastoid Process (codes AA00-AC0Z).
What is the ICD-10 equivalent of ICD-11 code AA40.0?
There is no direct ICD-10 mapping available for AA40.0 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.
Automate Medical Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 and ICD-11 codes with confidence scores. Integrates into any EHR or billing system in minutes.