ICD-10-CM › H60-H95 › H90-H94 › H90.A2 Sensorineural hearing loss,... › H90.A21

H90.A21

Sensorineural hearing loss, unilateral, right ear, with restricted hearing on the contralateral side

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2017 onwards.

What has happened to this code

Every change the publisher made, from 2017 to now.

  1. FY2017 Added to the code set Sensorineural hearing loss, unilateral, right ear, with restricted hearing on the contralateral side

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from H90 Conductive and sensorineural hearing loss

Excludes1 - never coded here

  • 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-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
H90.A22 Sensorineural hearing loss, unilateral, left ear, with restricted hearing on the contralateral side Valid