C7A.02 – Malignant carcinoid tumors of the appendix, large intestine, and rectum
ICD-10-CM 2027 diagnosis code · Malignant neuroendocrine tumors (C7A)
- Code
C7A.02(claims format:C7A02)- Description
- Malignant carcinoid tumors of the appendix, large intestine, and rectum
- Short description
- Malig carcinoid tumors of the appendix, lg int, and rectum
- 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)
- Parent codes
- C7A › C7A.0
Billable codes under C7A.02
C7A.02 is a header code and cannot be used on claims. Choose the most specific code:
- C7A.020 – Malignant carcinoid tumor of the appendixBillable
- C7A.021 – Malignant carcinoid tumor of the cecumBillable
- C7A.022 – Malignant carcinoid tumor of the ascending colonBillable
- C7A.023 – Malignant carcinoid tumor of the transverse colonBillable
- C7A.024 – Malignant carcinoid tumor of the descending colonBillable
- C7A.025 – Malignant carcinoid tumor of the sigmoid colonBillable
- C7A.026 – Malignant carcinoid tumor of the rectumBillable
- C7A.029 – Malignant carcinoid tumor of the large intestine, unspecified portionBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
C7A – Malignant neuroendocrine tumors
- code to identify any associated endocrine syndrome, such as:
- carcinoid syndrome (E34.00)
- any associated multiple endocrine neoplasia [MEN] syndromes (E31.2-)
Related codes in C7A.0
Frequently asked questions
What is ICD-10 code C7A.02?
C7A.02 is the ICD-10-CM code for malignant carcinoid tumors of the appendix, large intestine, and rectum, in the block C7A (Malignant neuroendocrine tumors (C7A)).
Is C7A.02 a billable code?
No. C7A.02 is a header code with more specific child codes; report one of the billable codes listed above.
What category does C7A.02 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.