H74.31 - Ankylosis of ear ossicles

Code

H74.31 - Ankylosis of ear ossicles
[Non-Billable]

Code Tree

H60-H95 - Diseases of the ear and mastoid process
  • H65-H75 - Diseases of middle ear and mastoid
    • H74 - Other disorders of middle ear mastoid
      • H74.3 - Other acquired abnormalities of ear ossicles
        • H74.31 - Ankylosis of ear ossicles
          • H74.311 - Ankylosis of ear ossicles, right ear
          • H74.312 - Ankylosis of ear ossicles, left ear
          • H74.313 - Ankylosis of ear ossicles, bilateral
          • H74.319 - Ankylosis of ear ossicles, unspecified ear