Non-Billable / Non-Specific Code
ICD-10-CM H91.2 is the diagnosis code for Sudden idiopathic hearing loss. This code falls under the section "Other disorders of ear" within Chapter 8 — Diseases of the ear and mastoid process (H60-H95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where H91.2 sits in the ICD-10-CM classification helps ensure proper coding:
No, H91.2 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
H91.2 is the ICD-10-CM diagnosis code for "Sudden idiopathic hearing loss". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H91.2 is H91 ("Other and unspecified hearing loss"). H91.2 provides a more specific classification within this category.
H91.2 is located in Section H90-H94 — "Other disorders of ear" within Chapter 8 of the ICD-10-CM Tabular List.
H91.2 has 4 sub-code(s) that provide more specific detail: H91.20, H91.21, H91.22, H91.23.
Use H91.2 when the patients documented diagnosis matches "Sudden idiopathic hearing loss" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Sudden idiopathic hearing loss is H91.2.
No, H91.2 is non-billable. Use a more specific sub-code for primary diagnosis billing.
H91.2 is in Chapter 8 of the ICD-10-CM Tabular List.
Yes, H91.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.