ICD-10 C44.0
Non-Billable HeaderOther and unspecified malignant neoplasm of skin of lip
About ICD-10-CM C44.0
ICD-10-CM code C44.0 represents Other and unspecified malignant neoplasm of skin of lip. This is a non-billable header code in the Neoplasms chapter (block C44). The 2026 edition of ICD-10-CM C44.0 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with C44.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- malignant neoplasm of lip (C00.-)
Medicare LCD Coverage for C44.0
Local Coverage Determinations (LCDs) from CMS MACs that list C44.0 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing C44.0.
1 Aetna
Codes Adjacent To C44.0
Other codes in section C43-C44 (Melanoma and other malignant neoplasms of skin).
ICD-10 C44.0, Billing FAQ
Is ICD-10 code C44.0 billable? +
No, C44.0 is a non-billable header code. Use a more specific child code from block C44 when submitting claims.
What codes are Type 1 Excludes for C44.0? +
Type 1 Excludes (never code together with C44.0): malignant neoplasm of lip (C00.-)
What CPT codes are commonly billed with C44.0? +
Procedures frequently paired with C44.0 include: 15757, 15760, 15730.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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