D09Header code — not billable

Carcinoma in situ of other and unspecified sites

Chapter
2. Neoplasms
Category
D09
Effective date
October 1, 2026

Related codes in category D09

Frequently asked questions

What is ICD-10 code D09?

D09 is an ICD-10-CM diagnosis code for Carcinoma in situ of other and unspecified sites.

Is D09 a billable code?

No. D09 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 D09 in?

D09 falls under Chapter 2: Neoplasms.

When did D09 become effective?

D09 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to D09?

D09 belongs to category D09, which includes 11 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.