H70.811
✓ BillablePostauricular fistula, right ear
Diseases of the ear and mastoid process (H60-H95)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • preauricular sinus and cyst (Q18.1)
- • sinus, fistula, and cyst of branchial cleft (Q18.0)
Clinical Description
ICD-10-CM code H70.811 represents postauricular fistula, right ear. This code falls under the Diseases of the ear and mastoid process (H60-H95) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 7-character code at the 6th level of specificity. This is the most specific code available in this subcategory. Coders should note that H70.811 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code H70.811?
ICD-10-CM code H70.811 is "Postauricular fistula, right ear". It belongs to the category: Diseases of the ear and mastoid process (H60-H95).
Is H70.811 a billable ICD-10 code?
Yes, H70.811 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with H70.811?
H70.811 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in H70.81
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)