D00 Carcinoma in situ of oral cavity, esophagus and stomachNon-billable header with 3 child codes.
D00.0 Carcinoma in situ of lip, oral cavity and pharynxD00.1 Carcinoma in situ of esophagusD00.2 Carcinoma in situ of stomachD00 Carcinoma in situ of oral cavity, esophagus and stomach (this code)D00.0 Carcinoma in situ of lip, oral cavity and pharynxD00.00 Carcinoma in situ of oral cavity, unspecified siteD00.01 Carcinoma in situ of labial mucosa and vermilion borderD00.02 Carcinoma in situ of buccal mucosaD00.03 Carcinoma in situ of gingiva and edentulous alveolar ridge