C7B.04 – Secondary carcinoid tumors of peritoneum

ICD-10-CM 2027 diagnosis code · Secondary neuroendocrine tumors (C7B)

Billable code

ICD-10-CM code C7B.04

Code: C7B.04 (claims format: C7B04)
Description: Secondary carcinoid tumors of peritoneum
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: C7B Secondary neuroendocrine tumors (C7B)
Parent codes: C7B › C7B.0

Notes for C7B.04

Applicable to:

Mesentery metastasis of carcinoid tumor

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C7B – Secondary neuroendocrine tumors

Use additional code:

code to identify any functional activity

Index terms for C7B.04

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in C7B.0

Frequently asked questions

What is ICD-10 code C7B.04?

C7B.04 is the ICD-10-CM code for secondary carcinoid tumors of peritoneum, in the block C7B (Secondary neuroendocrine tumors (C7B)).

Is C7B.04 a billable code?

Yes. C7B.04 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C7B.04 belong to?

It belongs to category C7B – Secondary 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.