146 Malignant neoplasm of oropharynx 
146.0 Malignant neoplasm of tonsil convert 146.0 to ICD-10-CM 146.1 Malignant neoplasm of tonsillar fossa convert 146.1 to ICD-10-CM 146.2 Malignant neoplasm of tonsillar pillars (anterior) (posterior) convert 146.2 to ICD-10-CM 146.3 Malignant neoplasm of vallecula epiglottica convert 146.3 to ICD-10-CM 146.4 Malignant neoplasm of anterior aspect of epiglottis convert 146.4 to ICD-10-CM 146.5 Malignant neoplasm of junctional region of oropharynx convert 146.5 to ICD-10-CM 146.6 Malignant neoplasm of lateral wall of oropharynx convert 146.6 to ICD-10-CM 146.7 Malignant neoplasm of posterior wall of oropharynx convert 146.7 to ICD-10-CM 146.8 Malignant neoplasm of other specified sites of oropharynx convert 146.8 to ICD-10-CM
146.9 Malignant neoplasm of oropharynx unspecified site convert 146.9 to ICD-10-CM