H90.A2 – Sensorineural hearing loss, unilateral, with restricted hearing on the contralateral side

ICD-10-CM 2027 diagnosis code · Other disorders of ear

Non-billable header

ICD-10-CM code H90.A2

Code: H90.A2 (claims format: H90A2)
Description: Sensorineural hearing loss, unilateral, with restricted hearing on the contralateral side
Short description: Snsrnrl hear loss, uni, with restricted hear cntra side
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 8. Diseases of the ear and mastoid process (H60-H95)
Block: H90-H94 Other disorders of ear
Parent codes: H90 › H90.A

Billable codes under H90.A2

H90.A2 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H90 – Conductive and sensorineural hearing loss

Excludes1 (not 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-)

Index terms for H90.A2

Entries in the ICD-10-CM alphabetic index that lead to this code:

Loss, hearing, sensorineural NOS, unilateral, with, restricted hearing on the contralateral side

Related codes in H90.A

Frequently asked questions

What is ICD-10 code H90.A2?

H90.A2 is the ICD-10-CM code for sensorineural hearing loss, unilateral, with restricted hearing on the contralateral side, in the block H90-H94 (Other disorders of ear).

Is H90.A2 a billable code?

No. H90.A2 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H90.A2 belong to?

It belongs to category H90 – Conductive and sensorineural hearing loss.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.