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9 Malignant neoplasm of colon, unspecified
- Malignant neoplasm of large intestine NOS
C19 Malignant neoplasm of rectosigmoid junction
- Includes: malignant neoplasm of colon with rectum
- malignant neoplasm of rectosigmoid (colon)
- Excludes1: malignant carcinoid tumors of the colon (C7a.02-)
C20 Malignant neoplasm of rectum
- Includes: malignant neoplasm of rectal ampulla
- Excludes1: malignant carcinoid tumor of the rectum (C7a.026)
C21 Malignant neoplasm of anus and anal canal
- Excludes2: malignant carcinoid tumors of the colon (C7a.02-)
- malignant melanoma of anal margin (C43.51)
- malignant melanoma of anal skin (C43.51)
- malignant melanoma of perianal skin (C43.51)
- malignant neoplasm of anal margin (C44.51)
- malignant neoplasm of anal skin (C44.51)
- malignant neoplasm of perianal skin (C44.51)
- C21.0 Malignant neoplasm of anus, unspecified
- C21.1 Malignant neoplasm of anal canal
- Malignant neoplasm of anal sphincter
- C21.2 Malignant neoplasm of cloacogenic zone
- C21.8 Malignant neoplasm of overlapping sites of rectum, anus and anal canal
- Malignant neoplasm of anorectal junction
- Malignant neoplasm of anorectum
- Primary malignant neoplasm of two or more contiguous sites of rectum, anus and anal canal
C22 Malignant neoplasm of liver and intrahepatic bile ducts
- Excludes1: malignant neoplasm of biliary tract NOS (C24.9)
- secondary malignant neoplasm of liver and intrahepatic bile duct (C78.7)
- Use additional code to identify:
- alcohol abuse and dependence (F10.-)
- hepatitis B (B16.-, B18.0-B18.1)
- hepatitis C (B17.1-, B18.2)
- C22.0 Liver cell carcinoma
- Hepatocellular carcinoma
- Hepatoma
- C22.1 Intrahepatic bile duct carcinoma
- Cholangiocarcinoma
- Excludes1: malignant neoplasm of hepatic duct (C24.0)
- C22.2 Hepatoblastoma
- C22.3 Angiosarcoma of liver
- Kupffer
