Carcinoma in situ of lip, oral cavity and pharynx
Notes: Carcinoma in situ of aryepiglottic fold NOS ; Carcinoma in situ of hypopharyngeal aspect of aryepiglottic fold ; Carcinoma in situ of marginal zone of aryepiglottic fold ; 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) ; carcinoma in situ of aryepiglottic fold or interarytenoid fold, laryngeal aspect (D02.0) ; carcinoma in situ of epiglottis NOS (D02.0) ; carcinoma in situ of epiglottis suprahyoid portion (D02.0) ; carcinoma in situ of skin of lip (D03.0, D04.0)