ICD-10-CM K56: Paralytic ileus and intestinal obstruction without hernia

ICD-10-CM Diagnosis Code (2025)

Official Description for K56

Paralytic ileus and intestinal obstruction without hernia

Coding Notes & Guidelines for K56

Excludes1: Not Coded Here
  • 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-)
Excludes1: Not Coded Here
  • gallstone ileus (K56.3)
  • ileus NOS (K56.7)
  • obstructive ileus NOS (K56.69-)
Excludes1: Not Coded Here

constipation (K59.0-)

Excludes1: Not Coded Here

obstructive ileus (K56.69-)

Excludes2: Not Included Here

stenosis of anus or rectum (K62.4)

Excludes2: Not Included Here

intussusception of appendix (K38.8)

Excludes2: Not Included Here

volvulus of duodenum (K31.5)

Excludes2: Not Included Here

incomplete defecation (R15.0)

Excludes2: Not Included Here

intestinal obstruction with hernia (K40-K46)

Inclusion Terms
  • Paralysis of bowel
  • Paralysis of colon
  • Paralysis of intestine
Inclusion Terms
  • Intussusception or invagination of bowel
  • Intussusception or invagination of colon
  • Intussusception or invagination of intestine
  • Intussusception or invagination of rectum
Inclusion Terms
  • Strangulation of colon or intestine
  • Torsion of colon or intestine
  • Twist of colon or intestine
Inclusion Terms

Obstruction of intestine by gallstone

Inclusion Terms
  • Abdominal hernia due to adhesions with obstruction
  • Peritoneal adhesions [bands] with intestinal obstruction (postinfection)
Inclusion Terms

Intestinal adhesions with obstruction NOS

Inclusion Terms

Intestinal adhesions with incomplete obstruction

Inclusion Terms

Incomplete intestinal obstruction, NOS

Inclusion Terms

Intestinal obstruction NOS

Inclusion Terms
  • Enterostenosis NOS
  • Obstructive ileus NOS
  • Occlusion of colon or intestine NOS
  • Stenosis of colon or intestine NOS
  • Stricture of colon or intestine NOS
Inclusion Terms

Other incomplete intestinal obstruction

Inclusion Terms

Other intestinal obstruction, NEC

Child Codes (More Specific Codes for K56):

About ICD-10-CM Code K56 (Paralytic ileus and intestinal obstruction without hernia)

ICD-10-CM code K56 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K56 became effective on October 1, 2024.

This page provides detailed information about K56 - Paralytic ileus and intestinal obstruction without hernia. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Paralytic ileus and intestinal obstruction without hernia.