H74.21 Discontinuity and dislocation of right ear ossicles

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)

• 385.23 Discontinuity or dislocation of ear ossicles (approximate)

Nearby codes

• H74.12 Adhesive left middle ear disease
• H74.13 Adhesive middle ear disease, bilateral
• H74.19 Adhesive middle ear disease, unspecified ear
• H74.2 Discontinuity and dislocation of ear ossicles
• H74.20 Discontinuity and dislocation of ear ossicles, unspecified ear
• H74.21 Discontinuity and dislocation of right ear ossicles (this code)
• H74.22 Discontinuity and dislocation of left ear ossicles
• H74.23 Discontinuity and dislocation of ear ossicles, bilateral
• H74.3 Other acquired abnormalities of ear ossicles
• H74.31 Ankylosis of ear ossicles
• H74.311 Ankylosis of ear ossicles, right ear