K63.1 ICD-10-CA code: Perforation of intestine (nontraumatic)

K63.1 is the ICD-10-CA code for “Perforation of intestine (nontraumatic)” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

K63.1

Perforation of intestine (nontraumatic)

ICD-10-CA · Canada · Also written K631

Index terms

Entries in CIHI’s alphabetical index that lead to K63.1. Searching the index by the condition the note names is how coders reach this code.

  • Rupture, ruptured, bowel (nontraumatic)
  • Rupture, ruptured, colon (nontraumatic)
  • Rupture, ruptured, ileum (nontraumatic)
  • Rupture, ruptured, rectum (nontraumatic)
  • Rupture, ruptured, sigmoid (nontraumatic)
  • Perforation, perforated (nontraumatic), bowel
  • Perforation, perforated (nontraumatic), colon
  • Perforation, perforated (nontraumatic), ileum
  • Perforation, perforated (nontraumatic), rectum
  • Perforation, perforated (nontraumatic), sigmoid
  • Rupture, ruptured, intestine NEC (nontraumatic)
  • Rupture, ruptured, jejunum, jejunal (nontraumatic)
  • Perforation, perforated (nontraumatic), intestine NEC
  • Perforation, perforated (nontraumatic), jejunum, jejunal
  • Perforation, perforated (nontraumatic), intestine NEC, ulcerative NEC
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative, intestine, intestinal, perforating

Notes for K63.1

As CIHI prints them, with any note K63.1 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Perforation (nontraumatic) of:• appendix (K35.2, K35.3)• duodenum (K26.-)with diverticular disease (K57.-)
  • 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 K63.1 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K55-K64Other diseases of intestines
  3. 3Category K63Other diseases of intestine
  4. 4Valid code K63.1Perforation of intestine (nontraumatic)

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.

Frequently asked questions

What does ICD-10-CA code K63.1 mean?

K63.1 is the ICD-10-CA code for “Perforation of intestine (nontraumatic)” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is K63.1 in ICD-10-CA?

K63.1 sits under K63 Other diseases of intestine, within K55-K64 Other diseases of intestines, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K63.1?

ICD-10-CA lists Excludes notes for K63.1, 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.