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malignant neoplasm of aryepiglottic fold or interarytenoid fold, laryngeal aspect (C32.1)
- C13.2 Malignant neoplasm of posterior wall of hypopharynx
- C13.8 Malignant neoplasm of overlapping sites of hypopharynx
- C13.9 Malignant neoplasm of hypopharynx, unspecified
- Malignant neoplasm of hypopharyngeal wall NOS
C14 Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx
- Excludes1: malignant neoplasm of oral cavity NOS (C06.9)
- 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 use (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
- 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
- Primary malignant neoplasm of two or more contiguous sites of lip, oral cavity and pharynx
- Excludes1: "book leaf" neoplasm [ventral surface of tongue and floor of mouth] (C06.89)
Malignant neoplasm of digestive organs (C15-C26)
- Excludes1: Kaposi's sarcoma of gastrointestinal sites (C46.4)
C15 Malignant neoplasm of esophagus
- Use additional code to identify:
- alcohol abuse and dependence (F10.-)
- C15.3 Malignant neoplasm of upper third of esophagus
- C15.4 Malignant neoplasm of middle third of esophagus
- C15.5 Malignant neoplasm of lower third of esophagus
- Excludes1: malignant neoplasm of cardio-esophageal junction (C16.0)
- C15.8 Malignant neoplasm of overlapping sites of esophagus
- C15.9 Malignant neoplasm of esophagus, unspecified
C16 Malignant neoplasm of stomach
- Use additional code to identify:
- alcohol abuse and dependence (F10.-)
- Excludes2: malignant carcinoid tumor of the stomach (C7a.092)
- C16.0 Malignant neoplasm of cardia
- Malignant neoplasm of cardiac orifice
- Malignant
