D00

Non-billable

Carcinoma in situ of oral cavity, esophagus and stomach

D00 is the ICD-10-CM code for Carcinoma in situ of oral cavity, esophagus and stomach. It is a non-billable category code — use a more specific child code such as D00.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
3
Edition
FY2026

C00-D49 Neoplasms

What this means — in plain language

MedlinePlus · NIH

The esophagus is a hollow tube that carries food and liquids from your throat to your stomach. Early esophageal cancer usually does not cause symptoms. Later, you may have symptoms such as: Painful or difficult swallowing Weight loss A hoarse voice or cough that doesn't go away You're at greater risk for getting esophageal cancer if you smoke, drink heavily, or have acid reflux . Your risk also goes up as you age…

Read more about Esophageal Cancer at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • melanoma in situ (D03.-)

Frequently asked questions

What is ICD-10 code D00?
D00 is the ICD-10-CM code for "Carcinoma in situ of oral cavity, esophagus and stomach". It falls under C00-D49 Neoplasms.
Is D00 a billable code?
No — D00 is a non-billable header code. Use a more specific child code (such as D00.0) for billing.
What are the subcodes of D00?
D00 has 3 more specific child codes, including D00.0, D00.1, D00.2.
What is excluded from D00?
Excludes1 (not coded here): melanoma in situ (D03.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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