Category: C21 - Malignant neoplasm of anus and anal canal

 Chapter Notes

 Section Notes

 C21

Malignant neoplasm of anus and anal canal

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)

 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