H90 Conductive and sensorineural hearing loss

Category / Non-billable header 25 subcodes

Block: Other disorders of ear (H90-H94)

Excludes 1 (cannot be coded together)

  • deaf nonspeaking NEC (H91.3)
  • deafness NOS (H91.9-)
  • hearing loss NOS (H91.9-)
  • noise-induced hearing loss (H83.3-)
  • ototoxic hearing loss (H91.0-)
  • sudden (idiopathic) hearing loss (H91.2-)

Subcodes

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

Code Description Billable
H90..0 Conductive hearing loss, bilateral Yes
H90..1 Conductive hearing loss, unilateral with unrestricted hearing on the contralateral side No
H90..11 Conductive hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral side Yes
H90..12 Conductive hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side Yes
H90..2 Conductive hearing loss, unspecified Yes
H90..3 Sensorineural hearing loss, bilateral Yes
H90..4 Sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side No
H90..41 Sensorineural hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral side Yes
H90..42 Sensorineural hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side Yes
H90..5 Unspecified sensorineural hearing loss Yes
H90..6 Mixed conductive and sensorineural hearing loss, bilateral Yes
H90..7 Mixed conductive and sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side No
H90..71 Mixed conductive and sensorineural hearing loss, unilateral, right ear, with unrestricted hearing on the contralateral side Yes
H90..72 Mixed conductive and sensorineural hearing loss, unilateral, left ear, with unrestricted hearing on the contralateral side Yes
H90..8 Mixed conductive and sensorineural hearing loss, unspecified Yes
H90..A Conductive and sensorineural hearing loss with restricted hearing on the contralateral side No
H90..A1 Conductive hearing loss, unilateral, with restricted hearing on the contralateral side No
H90..A11 Conductive hearing loss, unilateral, right ear with restricted hearing on the contralateral side Yes
H90..A12 Conductive hearing loss, unilateral, left ear with restricted hearing on the contralateral side Yes
H90..A2 Sensorineural hearing loss, unilateral, with restricted hearing on the contralateral side No
H90..A21 Sensorineural hearing loss, unilateral, right ear, with restricted hearing on the contralateral side Yes
H90..A22 Sensorineural hearing loss, unilateral, left ear, with restricted hearing on the contralateral side Yes
H90..A3 Mixed conductive and sensorineural hearing loss, unilateral with restricted hearing on the contralateral side No
H90..A31 Mixed conductive and sensorineural hearing loss, unilateral, right ear with restricted hearing on the contralateral side Yes
H90..A32 Mixed conductive and sensorineural hearing loss, unilateral, left ear with restricted hearing on the contralateral side Yes

Last reviewed: September 2026