Category: K59 - Other functional intestinal disorders
Chapter Notes
Other functional intestinal disorders
change in bowel habit NOS (R19.4)
intestinal malabsorption (K90.-)
psychogenic intestinal disorders (F45.8)
functional disorders of stomach (K31.-)
Constipation
fecal impaction (K56.41)
incomplete defecation (R15.0)
Constipation, unspecified
Slow transit constipation
Outlet dysfunction constipation
Drug induced constipation
Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Chronic idiopathic constipation
Functional constipation
Other constipation
Chronic constipation
Functional diarrhea
diarrhea NOS (R19.7)
irritable bowel syndrome with diarrhea (K58.0)
Neurogenic bowel, not elsewhere classified
Megacolon, not elsewhere classified
Dilatation of colon
Code first, if applicable (T51-T65) to identify toxic agent
congenital megacolon (aganglionic) (Q43.1)
megacolon (due to) (in) Chagas' disease (B57.32)
megacolon (due to) (in) Clostridium difficile (A04.7-)
megacolon (due to) (in) Hirschsprung's disease (Q43.1)
Toxic megacolon
Other megacolon
Megacolon NOS
Anal spasm
Proctalgia fugax
Other specified functional intestinal disorders
Ogilvie syndrome
Acute colonic pseudo-obstruction (ACPO)
Atony of colon
Pseudo-obstruction (acute) (chronic) of intestine
Functional intestinal disorder, unspecified
