H74.01 Tympanosclerosis, right ear

Billable ICD-10-CM code, FY2026.

Applies from H74 Other disorders of middle ear mastoid

Excludes2 (not included here)

• mastoiditis (H70.-)

MS-DRG index

Defines the logic of DRG(s) 154-156 in MDC 03.

Approximate ICD-9-CM (GEMs)

• 385.00 Tympanosclerosis, unspecified as to involvement (approximate)
• 385.01 Tympanosclerosis involving tympanic membrane only (approximate)
• 385.02 Tympanosclerosis involving tympanic membrane and ear ossicles (approximate)
• 385.03 Tympanosclerosis involving tympanic membrane, ear ossicles, and middle ear (approximate)
• 385.09 Tympanosclerosis involving other combination of structures (approximate)

Nearby codes

• H74 Other disorders of middle ear mastoid
• H74.0 Tympanosclerosis
• H74.01 Tympanosclerosis, right ear (this code)
• H74.02 Tympanosclerosis, left ear
• H74.03 Tympanosclerosis, bilateral
• H74.09 Tympanosclerosis, unspecified ear
• H74.1 Adhesive middle ear disease
• H74.11 Adhesive right middle ear disease