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C7B.8

C7B.8Other secondary neuroendocrine tumors

Billable / specific codeICD-10-CM

C7B.8 is a billable, specific ICD-10-CM code for other secondary neuroendocrine tumors. It is valid for submission on a claim.

Risk adjustment

C7B.8 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 17 Cancer Metastatic to Lung, Liver, Brain, and Other Organs; Acute Myeloid Leukemia Except Promyelocytic4.209 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

C7B.8 is named in 38 Medicare coverage policies 38 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52479Oral Anticancer Drugs - Policy Article
  • A52479Oral Anticancer Drugs - Policy Article
  • A52479Oral Anticancer Drugs - Policy Article
  • A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article

How C7B.8 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to C7B.8.

  • Tumorneuroendocrinesecondary NEC
  • Tumorsecondaryneuroendocrine NEC

Related codes at this level

Codes that share C7B. If C7B.8 is not quite right, the correct code is usually one of these.

Questions about C7B.8

Is C7B.8 a billable ICD-10-CM code?
Yes. C7B.8 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C7B.8 sit in the tabular list?
Neoplasms (C00-D49), in the block Secondary neuroendocrine tumors (C7B).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.