Billable / Specific Code
ICD-10-CM H74.312 is the diagnosis code for Ankylosis of ear ossicles, left ear. 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 H74.312 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, H74.312 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
H74.312 is the ICD-10-CM diagnosis code for "Ankylosis of ear ossicles, left ear". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H74.312 is H74.31 ("Ankylosis of ear ossicles"). H74.312 provides a more specific classification within this category.
H74.312 is located in Section H65-H75 — "Diseases of middle ear and mastoid" within Chapter 8 of the ICD-10-CM Tabular List.
Use H74.312 when the patients documented diagnosis matches "Ankylosis of ear ossicles, left ear" 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 Ankylosis of ear ossicles, left ear is H74.312.
Yes, H74.312 can be used as a primary diagnosis code since it is billable and specific.
H74.312 is in Chapter 8 of the ICD-10-CM Tabular List.
Yes, H74.312 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.