2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Neoplasms Of Uncertain Behavior 235-238 > Neoplasm Of Uncertain Behavior Of Digestive And Respiratory Systems 235.* > 2006 ICD-9-CM Diagnosis 235.1 Neoplasm of uncertain behavior of lip oral cavity and pharynx View the most recent version of ICD-9-CM 235.1 235.1 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 235.* hierarchy Alternate Terminology Gingiva Hypopharynx Minor salivary glands Mouth Nasopharynx Oropharynx Tongue 235.1 Excludes aryepiglottic fold or interarytenoid fold, laryngeal aspect (235.6) epiglottis: NOS (235.6) suprahyoid portion (235.6) skin of lip (238.2)