H90.A3Header code — not billable

Mixed conductive and sensorineural hearing loss, unilateral with restricted hearing on the contralateral side

Short description: Mixed cndct/snrl hear loss, uni 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 loss H90.0Conductive hearing loss, bilateralYes H90.1Conductive hear loss, uni w unrestricted hear cntra side H90.11Condctv hear loss, uni, right ear, w unrestr hear cntra sideYes H90.12Condctv hear loss, uni, left ear, w unrestr hear cntra sideYes H90.2Conductive hearing loss, unspecifiedYes H90.3Sensorineural hearing loss, bilateralYes H90.4Sensorineural hear loss, uni w unrestricted hear cntra side H90.41Snsrnrl hear loss, uni, right ear, w unrestr hear cntra sideYes H90.42Snsrnrl hear loss, uni, left ear, w unrestr hear cntra sideYes H90.5Unspecified sensorineural hearing lossYes H90.6Mixed conductive and sensorineural hearing loss, bilateralYes

Frequently asked questions

What is ICD-10 code H90.A3?

H90.A3 is an ICD-10-CM diagnosis code for Mixed conductive and sensorineural hearing loss, unilateral with restricted hearing on the contralateral side.

Is H90.A3 a billable code?

No. H90.A3 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is H90.A3 in?

H90.A3 falls under Chapter 8: Diseases of the ear and mastoid process.

When did H90.A3 become effective?

H90.A3 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to H90.A3?

H90.A3 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.