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C7A - Malignant neuroendocrine tumors


The ICD 10 Code for Malignant neuroendocrine tumors is listed as C7A.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: C7A
Description: Malignant neuroendocrine tumors
  • Use additional code to identify any associated endocrine syndrome, such as:
  • carcinoid syndrome (E34.0)
  • Excludes2: malignant pancreatic islet cell tumors (C25.4)
  • Merkel cell carcinoma (C4A.-)
  • Code also any associated multiple endocrine neoplasia [MEN] syndromes (E31.2-)
Chapter Neoplasms (C00-D49)
ICD-10-CM Children (deeper level / typically more specific) of C7A:
C7A.0 - Malignant carcinoid tumors
C7A.1 - Malignant poorly differentiated neuroendocrine tumors
C7A.8 - Other malignant neuroendocrine tumors