Alphabetic Index FY2027

K56

Paralytic ileus and intestinal obstruction without hernia

FY2027Chapter 11: Diseases of the digestive system/K55–K64 Other diseases of intestines

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

K56 is a non-billable ICD-10-CM code category for paralytic ileus and intestinal obstruction without hernia. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K56.0 Paralytic ileus, K56.1 Intussusception, K56.2 Volvulus, K56.3 Gallstone ileus and 4 more. Its coding notes include 7 Excludes1 entries and 9 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • 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 included here. Both codes may be reported if the patient has both conditions.

This code
  • stenosis of anus or rectum (K62.4)
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

More specific codes under K56 8