Malignant neoplasm of hypopharynx - C13

 Use Additional

• code to identify:
• 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)

 Type 2 Excludes

• malignant neoplasm of pyriform sinus (C12)

 Codes

• C13.0 - Malignant neoplasm of postcricoid region
• C13.1 - Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect
• 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