S00.409S
✓ BillableUnspecified superficial injury of unspecified ear, sequela
Injury, poisoning and certain other consequences of external causes (S00-T88)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • diffuse cerebral contusion (S06.2-)
- • focal cerebral contusion (S06.3-)
- • injury of eye and orbit (S05.-)
- • open wound of head (S01.-)
Clinical Description
ICD-10-CM code S00.409S represents unspecified superficial injury of unspecified ear, sequela. This code falls under the Injury, poisoning and certain other consequences of external causes (S00-T88) 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 8-character code at the 7th level of specificity. This is the most specific code available in this subcategory. Coders should note that S00.409S has 4 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code S00.409S?
ICD-10-CM code S00.409S is "Unspecified superficial injury of unspecified ear, sequela". It belongs to the category: Injury, poisoning and certain other consequences of external causes (S00-T88).
Is S00.409S a billable ICD-10 code?
Yes, S00.409S is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with S00.409S?
S00.409S has 4 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in S00.409
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)