K64 Hemorrhoids and perianal venous thrombosis

Category / Non-billable header 8 subcodes

Block: Other diseases of intestines (K55-K64)

Includes

  • piles

Excludes 1 (cannot be coded together)

  • hemorrhoids complicating childbirth and the puerperium (O87.2)
  • hemorrhoids complicating pregnancy (O22.4)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
K64..0 First degree hemorrhoids Yes
K64..1 Second degree hemorrhoids Yes
K64..2 Third degree hemorrhoids Yes
K64..3 Fourth degree hemorrhoids Yes
K64..4 Residual hemorrhoidal skin tags Yes
K64..5 Perianal venous thrombosis Yes
K64..8 Other hemorrhoids Yes
K64..9 Unspecified hemorrhoids Yes

Last reviewed: September 2026