2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Noninfective Enteritis And Colitis 555-558 > Ulcerative Enterocolitis 556.* > 2006 ICD-9-CM Diagnosis 556.3 Ulcerative (chronic) proctosigmoiditis View the most recent version of ICD-9-CM 556.3 556.3 is a specific code that can be used to specify a diagnosis 556.3 contains 7 index entries View the ICD-9-CM Volume 1 556.* hierarchy  Index entries containing 556.3: Colitis (acute) (catarrhal) (croupous) (cystica superficialis) (exudative) (hemorrhagic) (noninfectious) (phlegmonous) (presumed noninfectious) 558.9 ulcerative (chronic) (idiopathic) (nonspecific) 556.9 proctosigmoid 556.3 Proctitis 569.49 idiopathic 556.2 with ulcerative sigmoiditis 556.3 ulcerative (chronic) (nonspecific) 556.2 with ulcerative sigmoiditis 556.3 Proctocolitis, idiopathic 556.2 with ulcerative sigmoiditis 556.3 Proctosigmoiditis 569.89 ulcerative (chronic) 556.3 Rectosigmoiditis 569.89 ulcerative (chronic) 556.3 Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9 proctitis 556.2 with ulcerative sigmoiditis 556.3