D00
⚠ Non-billable
Carcinoma in situ of oral cavity, esophagus and stomach
ICD-10-CM · FY2026 · Neoplasms
Code
D00
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D00?
ICD-10-CM code D00 represents Carcinoma in situ of oral cavity, esophagus and stomach. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D00 billable?
No. D00 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is D00 in?
D00 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D00 category
D00.0
Carcinoma in situ of lip, oral cavity and pharynx
Non-billable
D00.1
Carcinoma in situ of esophagus
Billable
D00.2
Carcinoma in situ of stomach
Billable
D00.00
Carcinoma in situ of oral cavity, unspecified site
Billable
D00.01
Carcinoma in situ of labial mucosa and vermilion border
Billable
D00.02
Carcinoma in situ of buccal mucosa
Billable
D00.03
Carcinoma in situ of gingiva and edentulous alveolar ridge
Billable
D00.04
Carcinoma in situ of soft palate
Billable
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