`K51.9` Ulcerative colitis, unspecified

Non-billable header with 2 child codes.

Applies from K51 Ulcerative colitis

Excludes1 (never code together)

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

Use additional code

code to identify any associated fistulas, if applicable:
anal fistula (K60.3-)
anorectal fistula (K60.5-)
rectal fistula (K60.4-)
code to identify manifestations, such as:
pyoderma gangrenosum (L88)

Codes under K51.9

K51.90 Ulcerative colitis, unspecified, without complications
K51.91 Ulcerative colitis, unspecified, with complications

Code annotations containing back-references to K51.9

Back-references to K51

Code First: F54 Psychological and behavioral factors associated with disorders or diseases classified elsewhere ("ulcerative colitis (K51.-)")
Type 1 Excludes: K50 Crohn's disease [regional enteritis] ("ulcerative colitis (K51.-)")
Code First: K60.3 Anal fistula ("ulcerative colitis (K51.-)")
Code First: K60.4 Rectal fistula ("ulcerative colitis (K51.-)")
Code First: K60.5 Anorectal fistula ("ulcerative colitis (K51.-)")
Type 1 Excludes: K62.6 Ulcer of anus and rectum ("ulcerative colitis (K51.-)")
Type 1 Excludes: K63.3 Ulcer of intestine ("ulcerative colitis (K51.-)")
Code Also: M07 Enteropathic arthropathies ("ulcerative colitis (K51.-)")
Code Also: M08 Juvenile arthritis ("ulcerative colitis (K51.-)")

Nearby codes

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 (this code)
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