H90.A21Billable
Sensorineural hearing loss, unilateral, right ear, with restricted hearing on the contralateral side
Short description: Snsrnrl hear loss, uni, r ear, with rstrcd hear cntra side
- Chapter
- 8. Diseases of the ear and mastoid process
- Category
- H90
- Effective date
- October 1, 2026
Related codes in category H90
H90Conductive and sensorineural hearing lossH90.0Conductive hearing loss, bilateralYesH90.1Conductive hear loss, uni w unrestricted hear cntra sideH90.11Condctv hear loss, uni, right ear, w unrestr hear cntra sideYesH90.12Condctv hear loss, uni, left ear, w unrestr hear cntra sideYesH90.2Conductive hearing loss, unspecifiedYesH90.3Sensorineural hearing loss, bilateralYesH90.4Sensorineural hear loss, uni w unrestricted hear cntra sideH90.41Snsrnrl hear loss, uni, right ear, w unrestr hear cntra sideYesH90.42Snsrnrl hear loss, uni, left ear, w unrestr hear cntra sideYesH90.5Unspecified sensorineural hearing lossYesH90.6Mixed conductive and sensorineural hearing loss, bilateralYes
Frequently asked questions
What is ICD-10 code H90.A21?
H90.A21 is an ICD-10-CM diagnosis code for Sensorineural hearing loss, unilateral, right ear, with restricted hearing on the contralateral side.
Is H90.A21 a billable code?
Yes. H90.A21 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is H90.A21 in?
H90.A21 falls under Chapter 8: Diseases of the ear and mastoid process.
When did H90.A21 become effective?
H90.A21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to H90.A21?
H90.A21 belongs to category H90, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.