K59 - Other functional intestinal disorders
K59.0 - Constipation
Excludes 1:
-fecal impaction K56.41)
-incomplete defecation R15.0)
K59.00 - Constipation, unspecified
K59.01 - Slow transit constipation
K59.02 - Outlet dysfunction constipation
K59.09 - Other constipation