C7B.0Header code — not billable

Secondary carcinoid tumors

Chapter
2. Neoplasms
Category
C7B
Effective date
October 1, 2026

Related codes in category C7B

Frequently asked questions

What is ICD-10 code C7B.0?

C7B.0 is an ICD-10-CM diagnosis code for Secondary carcinoid tumors.

Is C7B.0 a billable code?

No. C7B.0 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 C7B.0 in?

C7B.0 falls under Chapter 2: Neoplasms.

When did C7B.0 become effective?

C7B.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C7B.0?

C7B.0 belongs to category C7B, which includes 9 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.