2026 ICD-10-CM Diagnosis Code C05Malignant neoplasm of palate
C05 is a non-billable ICD-10-CM category code for malignant neoplasm of palate, so it cannot be submitted on claims. Use a more specific code from this category instead, such as C05.0, C05.1, C05.2, and C05.8.
Code Identity
Code Classification
Specific Coding for Malignant neoplasm of palateOverview
Non-specific codes like C05 require more characters. Use one of these billable codes instead:
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Use Additional Code
- code to identify:
- alcohol abuse and dependence F10
- history of tobacco dependence Z87.891
- tobacco dependence F17
- tobacco use Z72.0
Type 1 Excludes
- Kaposi's sarcoma of palate C46.2
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Patient EducationClinical
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.
The full article covers:
- What is oral cancer?
- Who is more likely to develop oral cancer?
- What are the symptoms of oral cancer?
- How is oral cancer diagnosed?
- What are the treatments for oral cancer?
- Can oral cancer be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Code HistoryHistory
Questions About C05Overview
Is C05 (Malignant neoplasm of palate) a billable code?
No. This is a category header that groups the codes for malignant neoplasm of palate, and headers cannot be submitted on claims. Claims for malignant neoplasm of palate need a more specific code from this category, such as C05.0, C05.1, and C05.2.
