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. 2012 Oct 12;7(10):e42910. doi: 10.1371/journal.pone.0042910

Table 1. List of primary study outcomes.

Concurrent Condition of Constipation ICD-9 Codes
Anal fissure 565.0
Anal fistula 565.1
Ano–rectal hemorrhage 569.3
Ano–rectal ulcers 569.41
Crohn's disease 555
Diverticular Disease 562
Fecal impaction 560.39
Fecal incontinence 787.6
Hemorrhoids 455.0–455.9
Hirschsprung's Disease 751.3
Irritable bowel syndrome 564.1
Malignant neoplasm of colon 153.0–153.9, V1006
Rectal prolapse 569.1
Ulcerative colitis 556.0–556.6, 556.8,556.9
Volvulus 560.2