D00Header code — not billable
Carcinoma in situ of oral cavity, esophagus and stomach
- Chapter
- 2. Neoplasms
- Category
- D00
- Effective date
- October 1, 2026
Related codes in category D00
D00.0Carcinoma in situ of lip, oral cavity and pharynxD00.00Carcinoma in situ of oral cavity, unspecified siteYesD00.01Carcinoma in situ of labial mucosa and vermilion borderYesD00.02Carcinoma in situ of buccal mucosaYesD00.03Carcinoma in situ of gingiva and edentulous alveolar ridgeYesD00.04Carcinoma in situ of soft palateYesD00.05Carcinoma in situ of hard palateYesD00.06Carcinoma in situ of floor of mouthYesD00.07Carcinoma in situ of tongueYesD00.08Carcinoma in situ of pharynxYesD00.1Carcinoma in situ of esophagusYesD00.2Carcinoma in situ of stomachYes
Frequently asked questions
What is ICD-10 code D00?
D00 is an ICD-10-CM diagnosis code for Carcinoma in situ of oral cavity, esophagus and stomach.
Is D00 a billable code?
No. D00 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is D00 in?
D00 falls under Chapter 2: Neoplasms.
When did D00 become effective?
D00 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D00?
D00 belongs to category D00, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.