K51.0 - Ulcerative (chronic) pancolitis
K51.01 - Ulcerative (chronic) pancolitis with complications
K51.011 - Ulcerative (chronic) pancolitis with rectal bleeding
K51.012 - Ulcerative (chronic) pancolitis with intestinal obstruction
K51.013 - Ulcerative (chronic) pancolitis with fistula
K51.014 - Ulcerative (chronic) pancolitis with abscess
K51.018 - Ulcerative (chronic) pancolitis with other complication
K51.019 - Ulcerative (chronic) pancolitis with unspecified complications