C7B
⚠ Non-billable
Secondary neuroendocrine tumors
ICD-10-CM · FY2026 · Neoplasms
Code
C7B
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C7B?
ICD-10-CM code C7B represents Secondary neuroendocrine tumors. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C7B billable?
No. C7B is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is C7B in?
C7B belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C7B category
C7B.0
Secondary carcinoid tumors
Non-billable
C7B.1
Secondary Merkel cell carcinoma
Billable
C7B.8
Other secondary neuroendocrine tumors
Billable
C7B.00
Secondary carcinoid tumors, unspecified site
Billable
C7B.01
Secondary carcinoid tumors of distant lymph nodes
Billable
C7B.02
Secondary carcinoid tumors of liver
Billable
C7B.03
Secondary carcinoid tumors of bone
Billable
C7B.04
Secondary carcinoid tumors of peritoneum
Billable
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