Malignant neoplasms of digestive organs - C15-C26

 Type 1 Excludes

• Kaposi's sarcoma of gastrointestinal sites (C46.4)

 Type 2 Excludes

• gastrointestinal stromal tumors (C49.A-)

 Codes

• C15 - Malignant neoplasm of esophagus
• C16 - Malignant neoplasm of stomach
• C17 - Malignant neoplasm of small intestine
• C18 - Malignant neoplasm of colon
• C19 - Malignant neoplasm of rectosigmoid junction
• C20 - Malignant neoplasm of rectum
• C21 - Malignant neoplasm of anus and anal canal
• C22 - Malignant neoplasm of liver and intrahepatic bile ducts
• C23 - Malignant neoplasm of gallbladder
• C24 - Malignant neoplasm of other and unspecified parts of biliary tract
• C25 - Malignant neoplasm of pancreas
• C26 - Malignant neoplasm of other and ill-defined digestive organs