H93.3X9
H93.3X9 — Disorders of unspecified acoustic nerve
Billable / specific codeICD-10-CM
H93.3X9 is a billable, specific ICD-10-CM code for disorders of unspecified acoustic nerve. It is valid for submission on a claim.
Risk adjustment
H93.3X9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
H93.3X9 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56773Billing and Coding: Neurophysiology Evoked Potentials (NEPs)
- A57434Billing and Coding: Vestibular and Audiologic Function Studies
Related codes at this level
Codes that share H93.3X. If H93.3X9 is not quite right, the correct code is usually one of these.
Questions about H93.3X9
- Is H93.3X9 a billable ICD-10-CM code?
- Yes. H93.3X9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H93.3X9 sit in the tabular list?
- Diseases of the ear and mastoid process (H60-H95), in the block Other disorders of ear (H90-H94).