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K91.4 ICD-10-CA subcategory: Colostomy and enterostomy malfunction

K91.4 isn’t a code on its own. Choose one of the 6 codes beneath it, the one the documentation supports.

Official description

K91.4

Colostomy and enterostomy malfunction

ICD-10-CA · Canada · Also written K914

Codes in K91.4

K91.4 isn’t a code on its own. Open the code that matches what the note documents.

K91.40Haemorrhage from colostomy stomaK91.41Infection of colostomy stomaK91.42Malfunction of colostomy stoma, not elsewhere classifiedK91.43Haemorrhage from enterostomy stomaK91.44Infection of enterostomy stomaK91.45Enterostomy malfunction, not elsewhere classified

Notes for K91.4

As CIHI prints them, with any note K91.4 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Gastrojejunal ulcer (K28.-)radiation:• colitis (K52.0)• gastroenteritis (K52.0)• proctitis (K62.7)From K91 Postprocedural disorders of digestive system, not elsewhere classified
  • 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 K91.4 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K90-K93Other diseases of the digestive system
  3. 3Category K91Postprocedural disorders of digestive system, not elsewhere classified
  4. 4Subcategory K91.4Colostomy and enterostomy malfunction

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 K91.4 in the CIHI source

Frequently asked questions

Is K91.4 a valid ICD-10-CA code?

No. K91.4 (Colostomy and enterostomy malfunction) is a subcategory heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 6 codes; record the one the documentation supports.

Where is K91.4 in ICD-10-CA?

K91.4 sits under K91 Postprocedural disorders of digestive system, not elsewhere classified, within K90-K93 Other diseases of the digestive system, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K91.4?

ICD-10-CA lists Excludes notes for K91.4, 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 K91.4

K91.0Vomiting following gastrointestinal surgeryK91.1Postgastric surgery syndromesK91.2Postsurgical malabsorption, not elsewhere classifiedK91.3Postoperative intestinal obstructionK91.5Postcholecystectomy syndromeK91.6Gastrostomy malfunctionK91.8Other postprocedural disorders of digestive system, not elsewhere classifiedK91.9Postprocedural disorder of digestive system, unspecified