Billable / Specific Code
ICD-10-CM H70.891 is the diagnosis code for Other mastoiditis and related conditions, right 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 H70.891 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, H70.891 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
H70.891 is the ICD-10-CM diagnosis code for "Other mastoiditis and related conditions, right ear". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of H70.891 is H70.89 ("Other mastoiditis and related conditions"). H70.891 provides a more specific classification within this category.
H70.891 is located in Section H65-H75 — "Diseases of middle ear and mastoid" within Chapter 8 of the ICD-10-CM Tabular List.
Use H70.891 when the patients documented diagnosis matches "Other mastoiditis and related conditions, right 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 Other mastoiditis and related conditions, right ear is H70.891.
Yes, H70.891 can be used as a primary diagnosis code since it is billable and specific.
H70.891 is in Chapter 8 of the ICD-10-CM Tabular List.
Yes, H70.891 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.