ICD-10-CM C26: Malignant neoplasm of other and ill-defined digestive organs

ICD-10-CM Diagnosis Code (2025)

Official Description for C26

Malignant neoplasm of other and ill-defined digestive organs

Coding Notes & Guidelines for C26

Excludes1: Not Coded Here

malignant neoplasm of peritoneum and retroperitoneum (C48.-)

Excludes1: Not Coded Here
  • Hodgkin lymphoma (C81.-)
  • non-Hodgkin lymphoma (C82-C85)
Excludes1: Not Coded Here
  • malignant neoplasm of abdominal NOS (C76.2)
  • malignant neoplasm of intra-abdominal NOS (C76.2)
Inclusion Terms

Malignant neoplasm of intestine NOS

Inclusion Terms
  • Malignant neoplasm of alimentary canal or tract NOS
  • Malignant neoplasm of gastrointestinal tract NOS

Child Codes (More Specific Codes for C26):

C26.0 - Malignant neoplasm of intestinal tract, part unspecified C26.1 - Malignant neoplasm of spleen C26.9 - Malignant neoplasm of ill-defined sites within the digestive system

About ICD-10-CM Code C26 (Malignant neoplasm of other and ill-defined digestive organs)

ICD-10-CM code C26 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C26 became effective on October 1, 2024.

This page provides detailed information about C26 - Malignant neoplasm of other and ill-defined digestive organs. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Malignant neoplasm of other and ill-defined digestive organs.