148 Malignant neoplasm of hypopharynx 
148.0 Malignant neoplasm of postcricoid region of hypopharynx convert 148.0 to ICD-10-CM 148.1 Malignant neoplasm of pyriform sinus convert 148.1 to ICD-10-CM 148.2 Malignant neoplasm of aryepiglottic fold hypopharyngeal aspect convert 148.2 to ICD-10-CM 148.3 Malignant neoplasm of posterior hypopharyngeal wall convert 148.3 to ICD-10-CM 148.8 Malignant neoplasm of other specified sites of hypopharynx convert 148.8 to ICD-10-CM
148.9 Malignant neoplasm of hypopharynx unspecified site convert 148.9 to ICD-10-CM