C7A – Malignant neuroendocrine tumors
ICD-10-CM 2027 diagnosis code · Malignant neuroendocrine tumors (C7A)
ICD-10-CM code
C7A
- Code
C7A(claims format:C7A)- Description
- Malignant neuroendocrine tumors
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 2. Neoplasms (C00-D49)
- Block
- C7A Malignant neuroendocrine tumors (C7A)
Billable codes under C7A
C7A is a header code and cannot be used on claims. Choose the most specific code:
- C7A.0 – Malignant carcinoid tumorsHeader (more codes below)
- C7A.1 – Malignant poorly differentiated neuroendocrine tumorsBillable
- C7A.8 – Other malignant neuroendocrine tumorsBillable
Notes for C7A
Excludes2 (not included here):
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-)
Index terms for C7A
Entries in the ICD-10-CM alphabetic index that lead to this code:
Frequently asked questions
What is ICD-10 code C7A?
C7A is the ICD-10-CM code for malignant neuroendocrine tumors, in the block C7A (Malignant neuroendocrine tumors (C7A)).
Is C7A a billable code?
No. C7A is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.