C00.5

Billable

Malignant neoplasm of lip, unspecified, inner aspect

C00.5 is the ICD-10-CM code for Malignant neoplasm of lip, unspecified, inner aspect. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
C00-D49
Parent
C00
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 ↗

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

Includes

  • Malignant neoplasm of buccal aspect of lip, unspecified
  • Malignant neoplasm of frenulum of lip, unspecified
  • Malignant neoplasm of mucosa of lip, unspecified
  • Malignant neoplasm of oral aspect of lip, unspecified

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Frequently asked questions

What is ICD-10 code C00.5?
C00.5 is the ICD-10-CM code for "Malignant neoplasm of lip, unspecified, inner aspect". It falls under C00-D49 Neoplasms.
Is C00.5 a billable code?
Yes — C00.5 is a billable, specific ICD-10-CM code valid for reimbursement.

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

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