H90.A12

Conductive hearing loss, unilateral, left ear with restricted hearing on the contralateral side

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from H90Conductive and sensorineural hearing loss

Excludes 1

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-)

Inherited from chapter 8Diseases of the ear and mastoid process

Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Note

Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition

Official Guidelines for H90.A12

FY 2026 ›

I.C.8Chapter-specific guidanceChapter 8: Diseases of the Ear and Mastoid Process (H60-H95)