H90.4
⚠ Non-billable (Header)Sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side
Diseases of the ear and mastoid process (H60-H95)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • 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-)
Child Codes (2)
Clinical Description
ICD-10-CM code H90.4 represents sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side. This code falls under the Diseases of the ear and mastoid process (H60-H95) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 5-character code at the 4th level of specificity. There are 2 more specific child codes under H90.4. Coders should note that H90.4 has 6 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code H90.4?
ICD-10-CM code H90.4 is "Sensorineural hearing loss, unilateral with unrestricted hearing on the contralateral side". It belongs to the category: Diseases of the ear and mastoid process (H60-H95).
Is H90.4 a billable ICD-10 code?
No, H90.4 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with H90.4?
H90.4 has 6 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in H90
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)