ICD-10-CM-2023: C14 Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx

C00-C14	Malignant neoplasms of lip, oral cavity and pharynx
C14	Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx
	Use add'l	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)
	Excl1.:	malignant neoplasm of oral cavity NOS (C06.9)
C14.0	Malignant neoplasm of pharynx, unspecified
C14.2	Malignant neoplasm of Waldeyer's ring
C14.8	Malignant neoplasm of overlapping sites of lip, oral cavity and pharynx
	Info:	Primary malignant neoplasm of two or more contiguous sites of lip, oral cavity and pharynx
	Excl1.:	'book leaf' neoplasm [ventral surface of tongue and floor of mouth] (C06.89)

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