C7B – Secondary neuroendocrine tumors
ICD-10-CM 2027 diagnosis code · Secondary neuroendocrine tumors (C7B)
ICD-10-CM code
C7B
- Code
C7B(claims format:C7B)- Description
- Secondary neuroendocrine tumors
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 2. Neoplasms (C00-D49)
- Block
- C7B Secondary neuroendocrine tumors (C7B)
Billable codes under C7B
C7B is a header code and cannot be used on claims. Choose the most specific code:
- C7B.0 – Secondary carcinoid tumorsHeader (more codes below)
- C7B.1 – Secondary Merkel cell carcinomaBillable
- C7B.8 – Other secondary neuroendocrine tumorsBillable
Notes for C7B
Use additional code:
- code to identify any functional activity
Frequently asked questions
What is ICD-10 code C7B?
C7B is the ICD-10-CM code for secondary neuroendocrine tumors, in the block C7B (Secondary neuroendocrine tumors (C7B)).
Is C7B a billable code?
No. C7B is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.