D12..9 Benign neoplasm of anus and anal canal

Billable

Includes

  • Benign neoplasm of anus NOS

Excludes 1 (cannot be coded together)

  • benign neoplasm of anal margin (D22.5, D23.5)
  • benign neoplasm of anal skin (D22.5, D23.5)
  • benign neoplasm of perianal skin (D22.5, D23.5)

Last reviewed: September 2026