Is H74 a billable code?
No. H74 is a header code that groups 36 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
H74: Other disorders of middle ear mastoid
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
H74 groups related diagnoses under other disorders of middle ear mastoid. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under H74
- H74.01Tympanosclerosis, right ear
- H74.02Tympanosclerosis, left ear
- H74.03Tympanosclerosis, bilateral
- H74.09Tympanosclerosis, unspecified ear
- H74.11Adhesive right middle ear disease
- H74.12Adhesive left middle ear disease
- H74.13Adhesive middle ear disease, bilateral
- H74.19Adhesive middle ear disease, unspecified ear
- H74.20Discontinuity and dislocation of ear ossicles, unspecified ear
- H74.21Discontinuity and dislocation of right ear ossicles
- H74.22Discontinuity and dislocation of left ear ossicles
- H74.23Discontinuity and dislocation of ear ossicles, bilateral
- H74.311Ankylosis of ear ossicles, right ear
- H74.312Ankylosis of ear ossicles, left ear
- H74.313Ankylosis of ear ossicles, bilateral
- H74.319Ankylosis of ear ossicles, unspecified ear
- H74.321Partial loss of ear ossicles, right ear
- H74.322Partial loss of ear ossicles, left ear
- H74.323Partial loss of ear ossicles, bilateral
- H74.329Partial loss of ear ossicles, unspecified ear
- H74.391Other acquired abnormalities of right ear ossicles
- H74.392Other acquired abnormalities of left ear ossicles
- H74.393Other acquired abnormalities of ear ossicles, bilateral
- H74.399Other acquired abnormalities of ear ossicles, unspecified ear
- H74.40Polyp of middle ear, unspecified ear
- H74.41Polyp of right middle ear
- H74.42Polyp of left middle ear
- H74.43Polyp of middle ear, bilateral
- H74.8X1Other specified disorders of right middle ear and mastoid
- H74.8X2Other specified disorders of left middle ear and mastoid
- H74.8X3Other specified disorders of middle ear and mastoid, bilateral
- H74.8X9Other specified disorders of middle ear and mastoid, unspecified ear
- H74.90Unspecified disorder of middle ear and mastoid, unspecified ear
- H74.91Unspecified disorder of right middle ear and mastoid
- H74.92Unspecified disorder of left middle ear and mastoid
- H74.93Unspecified disorder of middle ear and mastoid, bilateral
H74 questions
What does H74 mean?
H74 is the ICD-10-CM code for Other disorders of middle ear mastoid. It is in chapter 8, Diseases of the ear and mastoid process (H60-H95).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.