10ICD Code Hub

H91.9

Header — not billable

Unspecified hearing loss

The ICD-10 code for unspecified hearing loss is H91.9.

H91.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Deafness NOS
  • High frequency deafness
  • Low frequency deafness

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under H91.9

Related codes in this category