1. C14 Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx

    Use Additional code to identify:
    alcohol abuse and dependence (F10.-)
    exposure to environmental tobacco smoke (Z77.22)
    exposure to tobacco smoke in the perinatal period (P96.81)
    history of tobacco dependence (Z87.891)
    occupational exposure to environmental tobacco smoke (Z57.31)
    tobacco dependence (F17.-)
    tobacco use (Z72.0)

    Excludes1

    • malignant neoplasm of oral cavity NOS (C06.9)
    1. C14.0 Malignant neoplasm of pharynx, unspecified

    2. C14.2 Malignant neoplasm of Waldeyer's ring

    3. C14.8 Malignant neoplasm of overlapping sites of lip, oral cavity and pharynx

      Inclusion term(s):

      • Primary malignant neoplasm of two or more contiguous sites of lip, oral cavity and pharynx
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.