Coding and coverage · ICD-10-CM

K56 Paralytic ileus and intestinal obstruction without hernia

Not billable (header)Chapter 11

Report one of the more specific codes below.

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Codes under this one

  • K56.0 Paralytic ileus
  • K56.1 Intussusception
  • K56.2 Volvulus
  • K56.3 Gallstone ileus
  • K56.4 Other impaction of intestineHeader
  • K56.5 Intestinal adhesions [bands] with obstruction (postinfection)Header
  • K56.6 Other and unspecified intestinal obstructionHeader
  • K56.7 Ileus, unspecified

Instructional notes

Chapter 11

Excludes2Not included here: the patient may have both; report both when both are present.
  • 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)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • 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-)
Excludes2Not included here: the patient may have both; report both when both are present.
  • stenosis of anus or rectum (K62.4)

Chapter 11: Diseases of the digestive system · K55-K64 Other diseases of intestines (K55-K64)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.