H91.21 - Sudden idiopathic hearing loss, right ear
- Applicable to Sudden idiopathic hearing loss, right ear
- The 2025 edition of ICD10-CM H91.21 became effective on October 1, 2024.
- This is the American ICD10-CM version of H91.21 - other international versions of ICD10 H91.21 may differ.
- H91.21 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The following codes above H91.21 contain annotation back-references that may be applicable to H91.21:
Chapter: H60-H95 Diseases of the ear and mastoid process
Section: H90-H94 Other disorders of ear
Category: H91 Other and unspecified hearing loss
Billable/Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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