C06Header code — not billable
Malignant neoplasm of other and unspecified parts of mouth
- Chapter
- 2. Neoplasms
- Category
- C06
- Effective date
- October 1, 2026
Related codes in category C06
C06.0Malignant neoplasm of cheek mucosaYesC06.1Malignant neoplasm of vestibule of mouthYesC06.2Malignant neoplasm of retromolar areaYesC06.8Malignant neoplasm of ovrlp sites of and unsp parts of mouthC06.80Malignant neoplasm of ovrlp sites of unsp parts of mouthYesC06.89Malignant neoplasm of overlapping sites of oth prt mouthYesC06.9Malignant neoplasm of mouth, unspecifiedYes
Frequently asked questions
What is ICD-10 code C06?
C06 is an ICD-10-CM diagnosis code for Malignant neoplasm of other and unspecified parts of mouth.
Is C06 a billable code?
No. C06 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is C06 in?
C06 falls under Chapter 2: Neoplasms.
When did C06 become effective?
C06 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C06?
C06 belongs to category C06, which includes 7 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.