Emergency: 119
AMDA-IMIC

H91 Other and unspecified hearing loss

Category / Non-billable header 27 subcodes

Block: Other disorders of ear (H90-H94)

Excludes 1 (cannot be coded together)

  • abnormal auditory perception (H93.2-)
  • hearing loss as classified in H90.-
  • impacted cerumen (H61.2-)
  • noise-induced hearing loss (H83.3-)
  • psychogenic deafness (F44.6)
  • transient ischemic deafness (H93.01-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
H91..0 Ototoxic hearing loss No
H91..01 Ototoxic hearing loss, right ear Yes
H91..02 Ototoxic hearing loss, left ear Yes
H91..03 Ototoxic hearing loss, bilateral Yes
H91..09 Ototoxic hearing loss, unspecified ear Yes
H91..1 Presbycusis No
H91..10 Presbycusis, unspecified ear Yes
H91..11 Presbycusis, right ear Yes
H91..12 Presbycusis, left ear Yes
H91..13 Presbycusis, bilateral Yes
H91..2 Sudden idiopathic hearing loss No
H91..20 Sudden idiopathic hearing loss, unspecified ear Yes
H91..21 Sudden idiopathic hearing loss, right ear Yes
H91..22 Sudden idiopathic hearing loss, left ear Yes
H91..23 Sudden idiopathic hearing loss, bilateral Yes
H91..3 Deaf nonspeaking, not elsewhere classified Yes
H91..8 Other specified hearing loss No
H91..8X Other specified hearing loss No
H91..8X1 Other specified hearing loss, right ear Yes
H91..8X2 Other specified hearing loss, left ear Yes
H91..8X3 Other specified hearing loss, bilateral Yes
H91..8X9 Other specified hearing loss, unspecified ear Yes
H91..9 Unspecified hearing loss No
H91..90 Unspecified hearing loss, unspecified ear Yes
H91..91 Unspecified hearing loss, right ear Yes
H91..92 Unspecified hearing loss, left ear Yes
H91..93 Unspecified hearing loss, bilateral Yes

Plain-language term for this code

The following entry in the US Medical Glossary corresponds to ICD-10-CM category H91:

Last reviewed: September 2026