Malignant neoplasm of anus and anal canal - C21

 Type 2 Excludes

  • 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)
  • other and unspecified malignant neoplasm of anal margin (C44.500, C44.510, C44.520, C44.590)
  • other and unspecified malignant neoplasm of anal skin (C44.500, C44.510, C44.520, C44.590)
  • other and unspecified malignant neoplasm of perianal skin (C44.500, C44.510, C44.520, C44.590)

 Codes

  • C21.0 - Malignant neoplasm of anus, unspecified
  • C21.1 - Malignant neoplasm of anal canal
  • C21.2 - Malignant neoplasm of cloacogenic zone
  • C21.8 - Malignant neoplasm of overlapping sites of rectum, anus and anal canal