K59 - Other functional intestinal disorders
Excludes 1:
-change in bowel habit NOS R19.4)
-intestinal malabsorption (K90.-)
-psychogenic intestinal disorders F45.8)
Excludes 2:
-functional disorders of stomach (K31.-)
K59.0 - Constipation
K59.00 - Constipation, unspecified
K59.01 - Slow transit constipation
K59.02 - Outlet dysfunction constipation
K59.09 - Other constipation
K59.1 - Functional diarrhea
K59.2 - Neurogenic bowel, not elsewhere classified
K59.3 - Megacolon, not elsewhere classified
K59.4 - Anal spasm
K59.8 - Other specified functional intestinal disorders
K59.9 - Functional intestinal disorder, unspecified