H81.91 Unspecified disorder of vestibular function, 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)

Applies from H81.9 Unspecified disorder of vestibular function

Applicable to

• Vertiginous syndrome NOS

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 386.9 Unspecified vertiginous syndromes and labyrinthine disorders (approximate)

Code annotations containing back-references to H81.91

Back-references to H81

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

Nearby codes

• H81.8X2 Other disorders of vestibular function, left ear
• H81.8X3 Other disorders of vestibular function, bilateral
• H81.8X9 Other disorders of vestibular function, unspecified ear
• H81.9 Unspecified disorder of vestibular function
• H81.90 Unspecified disorder of vestibular function, unspecified ear
• H81.91 Unspecified disorder of vestibular function, right ear (this code)
• H81.92 Unspecified disorder of vestibular function, left ear
• H81.93 Unspecified disorder of vestibular function, bilateral