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C00.2

C00.2: Malignant neoplasm of external lip, unspecified

Billable / specific codeICD-10-CM

C00.2 is a billable, specific ICD-10-CM code for malignant neoplasm of external lip, unspecified. It is valid for submission on a claim.

Check C00.2 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Malignant neoplasm of vermilion border of lip NOS

Excludes1 inherited from the categories above C00.2

A category’s note binds every code beneath it.

Written on C00: Malignant neoplasm of lip

  • malignant melanoma of lip (C43.0)
  • Merkel cell carcinoma of lip (C4A.0)
  • other and unspecified malignant neoplasm of skin of lip (C44.0-)

Other codes that can never be billed with C00.2

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • C43.0Malignant melanoma of lip
  • C4A.0Merkel cell carcinoma of lip
  • C44.0Other and unspecified malignant neoplasm of skin of lip

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

C00.2 is named in 46 Medicare coverage policies: 46 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

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Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under C00

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.