K56Paralytic ileus and intestinal obstruction without hernia
ICD-10-CM category (non-billable header) code — part of Other diseases of intestines (K55-K64)
Coding Notes
Excludes1 (never code both together)
- congenital stricture or stenosis of intestine (Q41-Q42)
- cystic fibrosis with meconium ileus (E84.11)
- ischemic stricture of intestine (K55.1)
- meconium ileus NOS (P76.0)
- neonatal intestinal obstructions classifiable to P76.-
- obstruction of duodenum (K31.5)
- postprocedural intestinal obstruction (K91.3-)
Excludes2 (not part of this condition — may code both)
- stenosis of anus or rectum (K62.4)
Subcategories (8)
- K56.0 Paralytic ileus
- K56.1 Intussusception
- K56.2 Volvulus
- K56.3 Gallstone ileus
- K56.4 Other impaction of intestine
- K56.5 Intestinal adhesions with obstruction (postinfection)
- K56.6 Other and unspecified intestinal obstruction
- K56.7 Ileus, unspecified