K51

Ulcerative colitis

Crohn's disease [regional enteritis] (K50.-)

K51.0

Ulcerative (chronic) pancolitis

Backwash ileitis

K51.00

Ulcerative (chronic) pancolitis without complications

Ulcerative (chronic) pancolitis NOS

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

K51.2

Ulcerative (chronic) proctitis

K51.20

Ulcerative (chronic) proctitis without complications

Ulcerative (chronic) proctitis NOS

K51.21

Ulcerative (chronic) proctitis with complications

K51.211

Ulcerative (chronic) proctitis with rectal bleeding

K51.212

Ulcerative (chronic) proctitis with intestinal obstruction

K51.213

Ulcerative (chronic) proctitis with fistula

K51.214

Ulcerative (chronic) proctitis with abscess

K51.218

Ulcerative (chronic) proctitis with other complication

K51.219

Ulcerative (chronic) proctitis with unspecified complications

K51.3

Ulcerative (chronic) rectosigmoiditis

K51.30

Ulcerative (chronic) rectosigmoiditis without complications

Ulcerative (chronic) rectosigmoiditis NOS

K51.31

Ulcerative (chronic) rectosigmoiditis with complications

K51.311

Ulcerative (chronic) rectosigmoiditis with rectal bleeding

K51.312

Ulcerative (chronic) rectosigmoiditis with intestinal obstruction

K51.313

Ulcerative (chronic) rectosigmoiditis with fistula

K51.314

Ulcerative (chronic) rectosigmoiditis with abscess

K51.318

Ulcerative (chronic) rectosigmoiditis with other complication

K51.319

Ulcerative (chronic) rectosigmoiditis with unspecified complications

K51.4

Inflammatory polyps of colon

adenomatous polyp of colon (D12.6)
polyposis of colon (D12.6)
polyps of colon NOS (K63.5)

K51.40

Inflammatory polyps of colon without complications

Inflammatory polyps of colon NOS

K51.41

Inflammatory polyps of colon with complications

K51.411

Inflammatory polyps of colon with rectal bleeding

K51.412

Inflammatory polyps of colon with intestinal obstruction

K51.413

Inflammatory polyps of colon with fistula

K51.414

Inflammatory polyps of colon with abscess

K51.418

Inflammatory polyps of colon with other complication

K51.419

Inflammatory polyps of colon with unspecified complications

K51.5

Left sided colitis

Left hemicolitis

K51.50

Left sided colitis without complications

Left sided colitis NOS

K51.51

Left sided colitis with complications

K51.511

Left sided colitis with rectal bleeding

K51.512

Left sided colitis with intestinal obstruction

K51.513

Left sided colitis with fistula

K51.514

Left sided colitis with abscess

K51.518

Left sided colitis with other complication

K51.519

Left sided colitis with unspecified complications

K51.8

Other ulcerative colitis

K51.80

Other ulcerative colitis without complications

K51.81

Other ulcerative colitis with complications

K51.811

Other ulcerative colitis with rectal bleeding

K51.812

Other ulcerative colitis with intestinal obstruction

K51.813

Other ulcerative colitis with fistula

K51.814

Other ulcerative colitis with abscess

K51.818

Other ulcerative colitis with other complication

K51.819

Other ulcerative colitis with unspecified complications

K51.9

Ulcerative colitis, unspecified

K51.90

Ulcerative colitis, unspecified, without complications

K51.91

Ulcerative colitis, unspecified, with complications

K51.911

Ulcerative colitis, unspecified with rectal bleeding

K51.912

Ulcerative colitis, unspecified with intestinal obstruction

K51.913

Ulcerative colitis, unspecified with fistula

K51.914

Ulcerative colitis, unspecified with abscess

K51.918

Ulcerative colitis, unspecified with other complication

K51.919

Ulcerative colitis, unspecified with unspecified complications