Source:http://linkedlifedata.com/resource/umls/id/C0038910
MSH: Surgery performed on the ear and its parts, the nose and nasal cavity, or the throat, including surgery of the adenoids, tonsils, pharynx, and trachea.,CSP: surgery performed on the ear and its parts, nasal cavity, or the throat, including surgery of the adenoids, tonsils, pharynx, and trachea.