Category K51
Ulcerative colitis
Clinical Classification Guidelines
Specific Diagnosis Codes
Ulcerative (chronic) pancolitis
K51.0
Ulcerative (chronic) pancolitis without complications
K51.00
Ulcerative (chronic) pancolitis with complications
K51.01
Ulcerative (chronic) pancolitis with rectal bleeding
K51.011
Ulcerative (chronic) pancolitis with intestinal obstruction
K51.012
Ulcerative (chronic) pancolitis with fistula
K51.013
Ulcerative (chronic) pancolitis with abscess
K51.014
Ulcerative (chronic) pancolitis with other complication
K51.018
Ulcerative (chronic) pancolitis with unspecified complications
K51.019
Ulcerative (chronic) proctitis
K51.2
Ulcerative (chronic) proctitis without complications
K51.20
Ulcerative (chronic) proctitis with complications
K51.21
Ulcerative (chronic) proctitis with rectal bleeding
K51.211
Ulcerative (chronic) proctitis with intestinal obstruction
K51.212
Ulcerative (chronic) proctitis with fistula
K51.213
Ulcerative (chronic) proctitis with abscess
K51.214
Ulcerative (chronic) proctitis with other complication
K51.218
Ulcerative (chronic) proctitis with unspecified complications
K51.219
Ulcerative (chronic) rectosigmoiditis
K51.3
Ulcerative (chronic) rectosigmoiditis without complications
K51.30
Ulcerative (chronic) rectosigmoiditis with complications
K51.31
Ulcerative (chronic) rectosigmoiditis with rectal bleeding
K51.311
Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
K51.312
Ulcerative (chronic) rectosigmoiditis with fistula
K51.313
Ulcerative (chronic) rectosigmoiditis with abscess
K51.314
Ulcerative (chronic) rectosigmoiditis with other complication
K51.318
Ulcerative (chronic) rectosigmoiditis with unspecified complications
K51.319
Inflammatory polyps of colon
K51.4
Inflammatory polyps of colon without complications
K51.40
Inflammatory polyps of colon with complications
K51.41
Inflammatory polyps of colon with rectal bleeding
K51.411
Inflammatory polyps of colon with intestinal obstruction
K51.412
Inflammatory polyps of colon with fistula
K51.413
Inflammatory polyps of colon with abscess
K51.414
Inflammatory polyps of colon with other complication
K51.418
Inflammatory polyps of colon with unspecified complications
K51.419
Left sided colitis
K51.5
Left sided colitis without complications
K51.50
Left sided colitis with complications
K51.51
Left sided colitis with rectal bleeding
K51.511
Left sided colitis with intestinal obstruction
K51.512
Left sided colitis with fistula
K51.513
Left sided colitis with abscess
K51.514
Left sided colitis with other complication
K51.518
Left sided colitis with unspecified complications
K51.519
Other ulcerative colitis
K51.8
Other ulcerative colitis without complications
K51.80
Other ulcerative colitis with complications
K51.81
Other ulcerative colitis with rectal bleeding
K51.811
Other ulcerative colitis with intestinal obstruction
K51.812
Other ulcerative colitis with fistula
K51.813
Other ulcerative colitis with abscess
K51.814
Other ulcerative colitis with other complication
K51.818
Other ulcerative colitis with unspecified complications
K51.819
Ulcerative colitis, unspecified
K51.9
Ulcerative colitis, unspecified, without complications
K51.90
Ulcerative colitis, unspecified, with complications
K51.91
Ulcerative colitis, unspecified with rectal bleeding
K51.911
Ulcerative colitis, unspecified with intestinal obstruction
K51.912
Ulcerative colitis, unspecified with fistula
K51.913
Ulcerative colitis, unspecified with abscess
K51.914
Ulcerative colitis, unspecified with other complication
K51.918
Ulcerative colitis, unspecified with unspecified complications
K51.919
