Other functional intestinal disorders - K59

 Type 1 Excludes

• change in bowel habit NOS (R19.4)
• intestinal malabsorption (K90.-)
• psychogenic intestinal disorders (F45.8)

 Type 2 Excludes

• functional disorders of stomach (K31.-)

 Codes

• K59.0 - Constipation
• K59.00 - Constipation, unspecified
• K59.01 - Slow transit constipation
• K59.02 - Outlet dysfunction constipation
• K59.03 - Drug induced constipation
• K59.04 - Chronic idiopathic constipation
• K59.09 - Other constipation
• K59.1 - Functional diarrhea
• K59.2 - Neurogenic bowel, not elsewhere classified
• K59.3 - Megacolon, not elsewhere classified
• K59.31 - Toxic megacolon
• K59.39 - Other megacolon
• K59.4 - Anal spasm
• K59.8 - Other specified functional intestinal disorders
• K59.81 - Ogilvie syndrome
• K59.89 - Other specified functional intestinal disorders
• K59.9 - Functional intestinal disorder, unspecified