Secondary neuroendocrine tumors
10 codes in this section
About Section C7B
Section C7B (C7B-C7B) covers secondary neuroendocrine tumors. It sits within the Neoplasms chapter (C00-D49). This section contains 10 ICD-10-CM codes, 8 billable diagnoses you can submit on a claim, and 2 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in C7B
Grouped by 3-character root code. Click any code for full detail.
| C7B.0 | Secondary carcinoid tumors | Header |
| 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 |
| C7B.09 | Secondary carcinoid tumors of other sites | Billable |
| C7B.1 | Secondary Merkel cell carcinoma | Billable |
| C7B.8 | Other secondary neuroendocrine tumors | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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