ICD-10-CM code "H74": Other disorders of middle ear mastoid (2024)

Excludes

1. Diseases of the ear and mastoid process (H60-H95)

   Type 2certain conditions originating in the perinatal period (P04-P96)

   Type 2certain infectious and parasitic diseases (A00-B99)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

2. Diseases of middle ear and mastoid (H65-H75)
3. Other disorders of middle ear mastoid (H74)

   Type 2mastoiditis (H70.-)

Includes

1. Diseases of the ear and mastoid process (H60-H95)
2. Diseases of middle ear and mastoid (H65-H75)
3. Other disorders of middle ear mastoid (H74)

Subcategories

• Tympanosclerosis (H74.0)
• Adhesive middle ear disease (H74.1)
• Discontinuity and dislocation of ear ossicles (H74.2)
• Other acquired abnormalities of ear ossicles (H74.3)
• Polyp of middle ear (H74.4)
• Other specified disorders of middle ear and mastoid (H74.8)
• Unspecified disorder of middle ear and mastoid (H74.9)