H81.8X9

Other disorders of vestibular function, unspecified ear

FY2027Chapter 8: Diseases of the ear and mastoid process/H80–H83 Diseases of inner ear

BillableComplete code, valid to report

H81.8X9 (also written H818X9) is a billable ICD-10-CM diagnosis code for other disorders of vestibular function, unspecified ear. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 29 codes in category H81 (Disorders of vestibular function). Its coding notes include 2 Excludes1 entries and 8 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from H81 Disorders of vestibular function
  • epidemic vertigo (A88.1)
  • vertigo NOS (R42)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 8 Diseases of the ear and mastoid process
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 8 Diseases of the ear and mastoid process
  • Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition