ICD-10-CM · Chapter 11 · K00-K95
K56 Paralytic ileus and intestinal obstruction without hernia
Excludes 1 (cannot be coded 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-)
Excludes 2 (not included here)
- stenosis of anus or rectum (K62.4)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| K56..0 | Paralytic ileus | Yes |
| K56..1 | Intussusception | Yes |
| K56..2 | Volvulus | Yes |
| K56..3 | Gallstone ileus | Yes |
| K56..4 | Other impaction of intestine | No |
| K56..41 | Fecal impaction | Yes |
| K56..49 | Other impaction of intestine | Yes |
| K56..5 | Intestinal adhesions [bands] with obstruction (postinfection) | No |
| K56..50 | Intestinal adhesions [bands], unspecified as to partial versus complete obstruction | Yes |
| K56..51 | Intestinal adhesions [bands], with partial obstruction | Yes |
| K56..52 | Intestinal adhesions [bands] with complete obstruction | Yes |
| K56..6 | Other and unspecified intestinal obstruction | No |
| K56..60 | Unspecified intestinal obstruction | No |
| K56..600 | Partial intestinal obstruction, unspecified as to cause | Yes |
| K56..601 | Complete intestinal obstruction, unspecified as to cause | Yes |
| K56..609 | Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction | Yes |
| K56..69 | Other intestinal obstruction | No |
| K56..690 | Other partial intestinal obstruction | Yes |
| K56..691 | Other complete intestinal obstruction | Yes |
| K56..699 | Other intestinal obstruction unspecified as to partial versus complete obstruction | Yes |
| K56..7 | Ileus, unspecified | Yes |
Last reviewed: September 2026