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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Noninfective Enteritis And Colitis 555-558 > Ulcerative Enterocolitis 556.* > 2007 ICD-9-CM Diagnosis 556.9 Ulcerative colitis unspecified  On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date. The 2009 version of ICD-9-CM 556.9 can be accessed here. Chronic inflammation of the colon that produces ulcers in its lining. This condition is marked by abdominal pain, cramps, and loose discharges of pus, blood, and mucus from the bowel. Inflammation of the COLON that is predominantly confined to the MUCOSA. Its major symptoms include DIARRHEA, rectal BLEEDING, the passage of MUCUS, and ABDOMINAL PAIN. 556.9 is a specific code that can be used to specify a diagnosis 556.9 contains 10 index entries View the ICD-9-CM Volume 1 556.* hierarchy 556.9 also known as: Ulcerative enteritis NOS Index entries containing 556.9: Colitis (acute) (catarrhal) (croupous) (cystica superficialis) (exudative) (hemorrhagic) (noninfectious) (phlegmonous) (presumed noninfectious) 558.9 chronic 558.9 ulcerative (see also Colitis, ulcerative) 556.9 gravis (see also Colitis, ulcerative) 556.9 polyposa (see also Colitis, ulcerative) 556.9 ulcerative (chronic) (idiopathic) (nonspecific) 556.9 entero- 556.0 fulminant 557.0 ileo- 556.1 left-sided 556.5 procto- 556.2 proctosigmoid 556.3 psychogenic 316 [556] specified NEC 556.8 universal 556.6 Diarrhea, diarrheal (acute) (autumn) (bilious) (bloody) (catarrhal) (choleraic) (chronic) (gravis) (green) (infantile) (lienteric) (noninfectious) (presumed noninfectious) (putrefactive) (secondary) (sporadic) (summer) (symptomatic) (thermic) 787.91 ulcerative (chronic) (see also Colitis, ulcerative) 556.9 Enteritis (acute) (catarrhal) (choleraic) (chronic) (congestive) (diarrheal) (exudative) (follicular) (hemorrhagic) (infantile) (lienteric) (noninfectious) (perforative) (phlegmonous) (presumed noninfectious) (pseudomembranous) 558.9 chronic 558.9 ulcerative (see also Colitis, ulcerative) 556.9 ulcerative (chronic) (see also Colitis, ulcerative) 556.9 Gastroenteritis (acute) (catarrhal) (congestive) (hemorrhagic) (noninfectious) (see also Enteritis) 558.9 chronic 558.9 ulcerative (see also Colitis, ulcerative) 556.9 ulcerative (see also Colitis, ulcerative) 556.9 Megacolon (acquired) (functional) (not Hirschsprung's disease) 564.7 toxic (see also Colitis, ulcerative) 556.9