C03.9Billable

Malignant neoplasm of gum, unspecified

Chapter
2. Neoplasms
Category
C03
Effective date
October 1, 2026

Related codes in category C03

C03Malignant neoplasm of gumC03.0Malignant neoplasm of upper gumYesC03.1Malignant neoplasm of lower gumYes

Frequently asked questions

What is ICD-10 code C03.9?

C03.9 is an ICD-10-CM diagnosis code for Malignant neoplasm of gum, unspecified.

Is C03.9 a billable code?

Yes. C03.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is C03.9 in?

C03.9 falls under Chapter 2: Neoplasms.

When did C03.9 become effective?

C03.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C03.9?

C03.9 belongs to category C03, which includes 3 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.