H93.3X9

Disorders of unspecified acoustic nerve

FY2027Chapter 8: Diseases of the ear and mastoid process/H90–H94 Other disorders of ear

BillableComplete code, valid to report

H93.3X9 (also written H933X9) is a billable ICD-10-CM diagnosis code for disorders of unspecified acoustic nerve. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 49 codes in category H93 (Other disorders of ear, not elsewhere classified). 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 H93.3 Disorders of acoustic nerve
  • acoustic neuroma (D33.3)
  • syphilitic acoustic neuritis (A52.15)

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