Diseases of the ear and mastoid process

653 billable diagnosis codes across 5 code blocks. FY2027 release.

Excludes 2 (not included here)

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

H60-H62 Diseases of external ear

H65-H75 Diseases of middle ear and mastoid

H80-H83 Diseases of inner ear

H90-H94 Other disorders of ear

H95 Intraoperative and postprocedural complications and disorders of ear and mastoid process, not elsewhere classified

Last reviewed: September 2026