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D00.0

Non-billable

Carcinoma in situ of lip, oral cavity and pharynx

D00.0 is the ICD-10-CM code for Carcinoma in situ of lip, oral cavity and pharynx. It is a non-billable category code — use a more specific child code such as D00.00 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
D00
Subcodes
9
Edition
FY2026

C00-D49 Neoplasms

What this means — in plain language

MedlinePlus · NIH

What is oral cancer? Oral cancer is cancer of the mouth. It is a type of head and neck cancer . Most oral cancers are squamous cell cancers . They begin in the flat cells that cover the surfaces of your mouth, tongue, and lips. The cancer cells may spread into deeper tissue as the cancer grows. Most oral cancers are related to tobacco use, heavy alcohol use, or an HPV infection . Who is more likely to develop oral…

Read more about Oral Cancer at MedlinePlus ↗
Throat Cancer ↗

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

Excludes1 — not coded here

  • •carcinoma in situ of aryepiglottic fold or interarytenoid fold, laryngeal aspect (D02.0)
  • •carcinoma in situ of epiglottis NOS (D02.0)
  • •carcinoma in situ of epiglottis suprahyoid portion (D02.0)
  • •carcinoma in situ of skin of lip (D03.0, D04.0)

Use additional code

  • •code to identify:
  • •exposure to environmental tobacco smoke (Z77.22)
  • •exposure to tobacco smoke in the perinatal period (P96.81)
  • •history of tobacco dependence (Z87.891)
  • •occupational exposure to environmental tobacco smoke (Z57.31)
  • •tobacco dependence (F17.-)
  • •tobacco use (Z72.0)

Frequently asked questions

What is ICD-10 code D00.0?
D00.0 is the ICD-10-CM code for "Carcinoma in situ of lip, oral cavity and pharynx". It falls under C00-D49 Neoplasms.
Is D00.0 a billable code?
No — D00.0 is a non-billable header code. Use a more specific child code (such as D00.00) for billing.
What are the subcodes of D00.0?
D00.0 has 9 more specific child codes, including D00.00, D00.01, D00.02.
What is excluded from D00.0?
Excludes1 (not coded here): carcinoma in situ of aryepiglottic fold or interarytenoid fold, laryngeal aspect (D02.0); carcinoma in situ of epiglottis NOS (D02.0); carcinoma in situ of epiglottis suprahyoid portion (D02.0); carcinoma in situ of skin of lip (D03.0, D04.0).

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

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