K56.6

Non-billable (Header)

Other and unspecified intestinal obstruction

Diseases of the digestive system (K00-K95)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Excludes1

inherited from K56

Rules from parent category K56: Paralytic ileus and intestinal obstruction without hernia

  • 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

inherited from K56

Rules from parent category K56: Paralytic ileus and intestinal obstruction without hernia

  • stenosis of anus or rectum (K62.4)

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Code Information

CodeK56.6
BillableNo — Header code
ParentK56
CategoryDiseases of the digestive system (K00-K95)
Excludes17 rule(s)
Excludes21 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)