C7AMalignant neuroendocrine tumors
ICD-10-CM category (non-billable header) code — part of Malignant neuroendocrine tumors (C7A)
Coding Notes
Excludes2 (not part of this condition — may code both)
- 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)
Code Also
- any associated multiple endocrine neoplasia [MEN] syndromes (E31.2-)
Subcategories (3)
- C7A.0 Malignant carcinoid tumors
- C7A.1 Malignant poorly differentiated neuroendocrine tumors
- C7A.8 Other malignant neuroendocrine tumors