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

K56 isn’t a code on its own. Choose one of the 8 codes beneath it, the one the documentation supports.

Official description

K56

Paralytic ileus and intestinal obstruction without hernia

ICD-10-CA · Canada

Codes in K56

K56 isn’t a code on its own. Open the code that matches what the note documents.

K56.0Paralytic ileusK56.1IntussusceptionK56.2VolvulusK56.3Gallstone ileusK56.4Other impaction of intestineK56.5Intestinal adhesions [bands] with obstructionK56.6Other and unspecified intestinal obstructionK56.7Ileus, unspecified

Notes for K56

As CIHI prints them, with any note K56 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Congenital stricture or stenosis of intestine (Q41-Q42)ischaemic stricture of intestine (K55.1)meconium ileus (E84.1)obstruction of duodenum (K31.5)perinatal intestinal obstruction (P75-P76)postoperative intestinal obstruction (K91.3)stenosis of anus or rectum (K62.4)with hernia (K40-K46)
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 11: Diseases of the digestive system (K00-K93)

Where K56 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K55-K64Other diseases of intestines
  3. 3Category K56Paralytic ileus and intestinal obstruction without hernia

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See K56 in the CIHI source

Frequently asked questions

Is K56 a valid ICD-10-CA code?

No. K56 (Paralytic ileus and intestinal obstruction without hernia) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 8 codes; record the one the documentation supports.

Where is K56 in ICD-10-CA?

K56 sits under K55-K64 Other diseases of intestines, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K56?

ICD-10-CA lists Excludes notes for K56, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside K56

K55Vascular disorders of intestineK57Diverticular disease of intestineK58Irritable bowel syndromeK59Other functional intestinal disordersK60Fissure and fistula of anal and rectal regionsK61Abscess of anal and rectal regionsK62Other diseases of anus and rectumK63Other diseases of intestineK64Haemorrhoids and perianal venous thrombosis