H91: Other and unspecified hearing loss
Codes under H91 (Other and unspecified hearing loss). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| H91.0 | Ototoxic hearing loss | — |
| H91.0 | Ototoxic hearing loss | — |
| H91.01 | Ototoxic hearing loss, right ear | ✓ |
| H91.01 | Ototoxic hearing loss, right ear | ✓ |
| H91.1 | Presbycusis | — |
| H91.1 | Presbycusis | — |
| H91.02 | Ototoxic hearing loss, left ear | ✓ |
| H91.02 | Ototoxic hearing loss, left ear | ✓ |
| H91.2 | Sudden idiopathic hearing loss | — |
| H91.2 | Sudden idiopathic hearing loss | — |
| H91.03 | Ototoxic hearing loss, bilateral | ✓ |
| H91.03 | Ototoxic hearing loss, bilateral | ✓ |
| H91.3 | Deaf nonspeaking, not elsewhere classified | ✓ |
| H91.3 | Deaf nonspeaking, not elsewhere classified | ✓ |
| H91.8 | Other specified hearing loss | — |
| H91.8 | Other specified hearing loss | — |
| H91.8X | Other specified hearing loss | — |
| H91.8X | Other specified hearing loss | — |
| H91.8X1 | Other specified hearing loss, right ear | ✓ |
| H91.8X1 | Other specified hearing loss, right ear | ✓ |
| H91.8X2 | Other specified hearing loss, left ear | ✓ |
| H91.8X2 | Other specified hearing loss, left ear | ✓ |
| H91.8X3 | Other specified hearing loss, bilateral | ✓ |
| H91.8X3 | Other specified hearing loss, bilateral | ✓ |
| H91.8X9 | Other specified hearing loss, unspecified ear | ✓ |
| H91.8X9 | Other specified hearing loss, unspecified ear | ✓ |
| H91.09 | Ototoxic hearing loss, unspecified ear | ✓ |
| H91.09 | Ototoxic hearing loss, unspecified ear | ✓ |
| H91.9 | Unspecified hearing loss | — |
| H91.9 | Unspecified hearing loss | — |
| H91.10 | Presbycusis, unspecified ear | ✓ |
| H91.10 | Presbycusis, unspecified ear | ✓ |
| H91.11 | Presbycusis, right ear | ✓ |
| H91.11 | Presbycusis, right ear | ✓ |
| H91.12 | Presbycusis, left ear | ✓ |
| H91.12 | Presbycusis, left ear | ✓ |
| H91.13 | Presbycusis, bilateral | ✓ |
| H91.13 | Presbycusis, bilateral | ✓ |
| H91.20 | Sudden idiopathic hearing loss, unspecified ear | ✓ |
| H91.20 | Sudden idiopathic hearing loss, unspecified ear | ✓ |
| H91.21 | Sudden idiopathic hearing loss, right ear | ✓ |
| H91.21 | Sudden idiopathic hearing loss, right ear | ✓ |
| H91.22 | Sudden idiopathic hearing loss, left ear | ✓ |
| H91.22 | Sudden idiopathic hearing loss, left ear | ✓ |
| H91.23 | Sudden idiopathic hearing loss, bilateral | ✓ |
| H91.23 | Sudden idiopathic hearing loss, bilateral | ✓ |
| H91.90 | Unspecified hearing loss, unspecified ear | ✓ |
| H91.90 | Unspecified hearing loss, unspecified ear | ✓ |
| H91.91 | Unspecified hearing loss, right ear | ✓ |
| H91.91 | Unspecified hearing loss, right ear | ✓ |
| H91.92 | Unspecified hearing loss, left ear | ✓ |
| H91.92 | Unspecified hearing loss, left ear | ✓ |
| H91.93 | Unspecified hearing loss, bilateral | ✓ |
| H91.93 | Unspecified hearing loss, bilateral | ✓ |
Frequently asked questions
What is ICD-10-CM code H91?
H91 is an ICD-10-CM category covering Other and unspecified hearing loss. It contains 54 more specific diagnosis codes, 42 of which are billable.
Is H91 a billable code?
No — H91 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example H91.0 — Ototoxic hearing loss). 42 of the 54 codes under H91 are billable.
What codes fall under H91?
H91 includes H91.0, H91.0, H91.01, H91.01, H91.1, plus 49 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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