Billable / Specific Code
ICD-10-CM H74.92 is the diagnosis code for Unspecified disorder of left middle ear and mastoid. This code falls under the section "Diseases of middle ear and mastoid" within Chapter 8 — Diseases of the ear and mastoid process (H60-H95). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where H74.92 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, H74.92 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
H74.92 is the ICD-10-CM diagnosis code for "Unspecified disorder of left middle ear and mastoid". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H74.92 is H74.9 ("Unspecified disorder of middle ear and mastoid"). H74.92 provides a more specific classification within this category.
H74.92 is located in Section H65-H75 — "Diseases of middle ear and mastoid" within Chapter 8 of the ICD-10-CM Tabular List.
Use H74.92 when the patients documented diagnosis matches "Unspecified disorder of left middle ear and mastoid" 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 Unspecified disorder of left middle ear and mastoid is H74.92.
Yes, H74.92 can be used as a primary diagnosis code since it is billable and specific.
H74.92 is in Chapter 8 of the ICD-10-CM Tabular List.
Yes, H74.92 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.