H81.8X Other disorders of vestibular functionNon-billable header with 4 child codes.
H81.8X1 Other disorders of vestibular function, right earH81.8X2 Other disorders of vestibular function, left earH81.8X3 Other disorders of vestibular function, bilateralH81.8X9 Other disorders of vestibular function, unspecified earR42 Dizziness and giddiness ("vertiginous syndromes (H81.-)")H81.392 Other peripheral vertigo, left earH81.393 Other peripheral vertigo, bilateralH81.399 Other peripheral vertigo, unspecified earH81.4 Vertigo of central originH81.8 Other disorders of vestibular functionH81.8X Other disorders of vestibular function (this code)H81.8X1 Other disorders of vestibular function, right earH81.8X2 Other disorders of vestibular function, left earH81.8X3 Other disorders of vestibular function, bilateralH81.8X9 Other disorders of vestibular function, unspecified earH81.9 Unspecified disorder of vestibular function