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K59 Other functional intestinal disorders
BackK59.0ConstipationCategory6 →K59.00Constipation, unspecifiedCategoryK59.01Slow transit constipationCategoryK59.02Outlet dysfunction constipationCategoryK59.03Drug induced constipationCategoryK59.04Chronic idiopathic constipationCategoryK59.09Other constipationCategoryK59.1Functional diarrheaCategoryK59.2Neurogenic bowel, not elsewhere classifiedCategoryK59.3Megacolon, not elsewhere classifiedCategory2 →K59.31Toxic megacolonCategoryK59.39Other megacolonCategoryK59.4Anal spasmCategoryK59.8Other specified functional intestinal disordersCategory2 →K59.81Ogilvie syndromeCategoryK59.89Other specified functional intestinal disordersCategoryK59.9Functional intestinal disorder, unspecifiedCategory
Category
K59
Other functional intestinal disorders
EXCLUDES
Excludes1: change in bowel habit NOS (R19.4)
intestinal malabsorption (K90.-)
psychogenic intestinal disorders (F45.8)
Excludes2: functional disorders of stomach (K31.-)
intestinal malabsorption (K90.-)
psychogenic intestinal disorders (F45.8)
Excludes2: functional disorders of stomach (K31.-)
- Chapter
- XI · Diseases of the digestive system
- Section
- K55-K64
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.