C7A.00 – Malignant carcinoid tumor of unspecified site
ICD-10-CM 2027 diagnosis code · Malignant neuroendocrine tumors (C7A)
ICD-10-CM code
C7A.00
- Code
C7A.00(claims format:C7A00)- Description
- Malignant carcinoid tumor of unspecified site
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 2. Neoplasms (C00-D49)
- Block
- C7A Malignant neuroendocrine tumors (C7A)
- Parent codes
- C7A › C7A.0
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
C7A – Malignant neuroendocrine tumors
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.00
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in C7A.0
Frequently asked questions
What is ICD-10 code C7A.00?
C7A.00 is the ICD-10-CM code for malignant carcinoid tumor of unspecified site, in the block C7A (Malignant neuroendocrine tumors (C7A)).
Is C7A.00 a billable code?
Yes. C7A.00 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does C7A.00 belong to?
It belongs to category C7A – Malignant neuroendocrine tumors.
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.