C44.22
⚠ Non-billable (Header)Squamous cell carcinoma of skin of ear and external auricular canal
Neoplasms (C00-D49)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
Child Codes (3)
Clinical Description
ICD-10-CM code C44.22 represents squamous cell carcinoma of skin of ear and external auricular canal. This code falls under the Neoplasms (C00-D49) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 6-character code at the 5th level of specificity. There are 3 more specific child codes under C44.22. Coders should note that C44.22 has 5 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code C44.22?
ICD-10-CM code C44.22 is "Squamous cell carcinoma of skin of ear and external auricular canal". It belongs to the category: Neoplasms (C00-D49).
Is C44.22 a billable ICD-10 code?
No, C44.22 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with C44.22?
C44.22 has 5 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in C44.2
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)