C7BHeader code — not billable
Secondary neuroendocrine tumors
- Chapter
- 2. Neoplasms
- Category
- C7B
- Effective date
- October 1, 2026
Related codes in category C7B
C7B.0Secondary carcinoid tumorsC7B.00Secondary carcinoid tumors, unspecified siteYesC7B.01Secondary carcinoid tumors of distant lymph nodesYesC7B.02Secondary carcinoid tumors of liverYesC7B.03Secondary carcinoid tumors of boneYesC7B.04Secondary carcinoid tumors of peritoneumYesC7B.09Secondary carcinoid tumors of other sitesYesC7B.1Secondary Merkel cell carcinomaYesC7B.8Other secondary neuroendocrine tumorsYes
Frequently asked questions
What is ICD-10 code C7B?
C7B is an ICD-10-CM diagnosis code for Secondary neuroendocrine tumors.
Is C7B a billable code?
No. C7B 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 in?
C7B falls under Chapter 2: Neoplasms.
When did C7B become effective?
C7B has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C7B?
C7B 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.