C26.0 – Malignant neoplasm of intestinal tract, part unspecified

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of digestive organs

Billable code

ICD-10-CM code C26.0
Code
C26.0 (claims format: C260)
Description
Malignant neoplasm of intestinal tract, part unspecified
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
C15-C26 Malignant neoplasms of digestive organs
Parent codes
C26

Notes for C26.0

Applicable to:
  • Malignant neoplasm of intestine NOS

Notes inherited from parent codes

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

C26 – Malignant neoplasm of other and ill-defined digestive organs

Excludes1 (not coded here):
  • malignant neoplasm of peritoneum and retroperitoneum (C48.-)

Block C15-C26

Excludes1 (not coded here):
  • Kaposi's sarcoma of gastrointestinal sites (C46.4)
Excludes2 (not included here):
  • gastrointestinal stromal tumors (C49.A-)

Related codes in C26

Frequently asked questions

What is ICD-10 code C26.0?

C26.0 is the ICD-10-CM code for malignant neoplasm of intestinal tract, part unspecified, in the block C15-C26 (Malignant neoplasms of digestive organs).

Is C26.0 a billable code?

Yes. C26.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C26.0 belong to?

It belongs to category C26 – Malignant neoplasm of other and ill-defined digestive organs.

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.