H81.21 Vestibular neuronitis, right ear

Billable ICD-10-CM code, FY2026.

Applies from H81 Disorders of vestibular function

Excludes1 (never code together)

• epidemic vertigo (A88.1)
• vertigo NOS (R42)

MS-DRG index

Defines the logic of DRG(s) 149 in MDC 03.

Approximate ICD-9-CM (GEMs)

• 386.12 Vestibular neuronitis (approximate)

Code annotations containing back-references to H81.21

Back-references to H81

• Type 1 Excludes: R42 Dizziness and giddiness ("vertiginous syndromes (H81.-)")

Nearby codes

• H81.11 Benign paroxysmal vertigo, right ear
• H81.12 Benign paroxysmal vertigo, left ear
• H81.13 Benign paroxysmal vertigo, bilateral
• H81.2 Vestibular neuronitis
• H81.20 Vestibular neuronitis, unspecified ear
• H81.21 Vestibular neuronitis, right ear (this code)
• H81.22 Vestibular neuronitis, left ear
• H81.23 Vestibular neuronitis, bilateral
• H81.3 Other peripheral vertigo
• H81.31 Aural vertigo
• H81.311 Aural vertigo, right ear