1. C00 Malignant neoplasm of lip

    Use Additional code to identify:
    alcohol abuse and dependence (F10.-)
    history of tobacco dependence (Z87.891)
    tobacco dependence (F17.-)
    tobacco use (Z72.0)

    Excludes1

    • malignant melanoma of lip (C43.0)
    • Merkel cell carcinoma of lip (C4A.0)
    • other and unspecified malignant neoplasm of skin of lip (C44.0-)
    1. C00.0 Malignant neoplasm of external upper lip

      Inclusion term(s):

      • Malignant neoplasm of lipstick area of upper lip
      • Malignant neoplasm of upper lip NOS
      • Malignant neoplasm of vermilion border of upper lip
    2. C00.1 Malignant neoplasm of external lower lip

      Inclusion term(s):

      • Malignant neoplasm of lower lip NOS
      • Malignant neoplasm of lipstick area of lower lip
      • Malignant neoplasm of vermilion border of lower lip
    3. C00.2 Malignant neoplasm of external lip, unspecified

      Inclusion term(s):

      • Malignant neoplasm of vermilion border of lip NOS
    4. C00.3 Malignant neoplasm of upper lip, inner aspect

      Inclusion term(s):

      • Malignant neoplasm of buccal aspect of upper lip
      • Malignant neoplasm of frenulum of upper lip
      • Malignant neoplasm of mucosa of upper lip
      • Malignant neoplasm of oral aspect of upper lip
    5. C00.4 Malignant neoplasm of lower lip, inner aspect

      Inclusion term(s):

      • Malignant neoplasm of buccal aspect of lower lip
      • Malignant neoplasm of frenulum of lower lip
      • Malignant neoplasm of mucosa of lower lip
      • Malignant neoplasm of oral aspect of lower lip
    6. C00.5 Malignant neoplasm of lip, unspecified, inner aspect

      Inclusion term(s):

      • Malignant neoplasm of buccal aspect of lip, unspecified
      • Malignant neoplasm of frenulum of lip, unspecified
      • Malignant neoplasm of mucosa of lip, unspecified
      • Malignant neoplasm of oral aspect of lip, unspecified
    7. C00.6 Malignant neoplasm of commissure of lip, unspecified

    8. C00.8 Malignant neoplasm of overlapping sites of lip

    9. C00.9 Malignant neoplasm of lip, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.