All ICD10 Codes

C7A

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Malignant neuroendocrine tumors

Use a more specific code (2 billable, 1 non-billable)
C7A.0Malignant carcinoid tumorshas subcodesC7A.1Malignant poorly differentiated neuroendocrine tumorsC7A.8Other malignant neuroendocrine tumors
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • malignant pancreatic islet cell tumors (C25.4)
  • Merkel cell carcinoma (C4A.-)
Code Also
  • any associated multiple endocrine neoplasia [MEN] syndromes (E31.2-)
Use Additional Code
  • code to identify any associated endocrine syndrome, such as:
  • carcinoid syndrome (E34.00)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C7AMalignant neuroendocrine tumorsNot billable
C7A.0Malignant carcinoid tumorsSubcodes
C7A.1Malignant poorly differentiated neuroendocrine tumorsBillable
C7A.8Other malignant neuroendocrine tumorsBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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