2025
ICD-10-CM
Diagnosis
Code

K56 Paralytic ileus and intestinal obstruction without hernia

  • Non-billable
  • 2016–2025

K56 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Paralytic ileus and intestinal obstruction without hernia.

Type 1 excludes

  • 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-)

Type 2 excludes

  • Stenosis of anus or rectum (K62.4)

Codes

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    Code changed

    • Type 1 excludes

        • 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-)
        • stenosis of anus or rectum (K62.4)
        • 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-)
    • Type 2 excludes

        • stenosis of anus or rectum (K62.4)
  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    Code changed

    • Type 1 excludes

        • 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)
        • stenosis of anus or rectum (K62.4)
        • intestinal obstruction with hernia (K40-K46)
        • 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-)
        • stenosis of anus or rectum (K62.4)
  9. 2017

    No changes

  10. 2016

    New code