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C7A

Non-billable

Malignant neuroendocrine tumors

C7A is the ICD-10-CM code for Malignant neuroendocrine tumors. It is a non-billable category code — use a more specific child code such as C7A.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
3
Edition
FY2026

C00-D49 Neoplasms

Excludes2 — not included here

  • •malignant pancreatic islet cell tumors (C25.4)
  • •Merkel cell carcinoma (C4A.-)

Use additional code

  • •code to identify any associated endocrine syndrome, such as:
  • •carcinoid syndrome (E34.00)

Notes

  • •any associated multiple endocrine neoplasia [MEN] syndromes (E31.2-)

Frequently asked questions

What is ICD-10 code C7A?
C7A is the ICD-10-CM code for "Malignant neuroendocrine tumors". It falls under C00-D49 Neoplasms.
Is C7A a billable code?
No — C7A is a non-billable header code. Use a more specific child code (such as C7A.0) for billing.
What are the subcodes of C7A?
C7A has 3 more specific child codes, including C7A.0, C7A.1, C7A.8.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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