K56.6 ICD-10-CA code: Other and unspecified intestinal obstruction
K56.6 is the ICD-10-CA code for “Other and unspecified intestinal obstruction” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
K56.6Other and unspecified intestinal obstruction
Short description: Oth & unspec intestinal obstruction
ICD-10-CA · Canada · Also written K566
Index terms
Entries in CIHI’s alphabetical index that lead to K56.6. Searching the index by the condition the note names is how coders reach this code.
- Kink, Lane's
- Lane's, kink
- Enterostenosis
- Stricture, bowel
- Stricture, cecum
- Stricture, colon
- Stricture, ileum
- Angulation, cecum
- Stricture, jejunum
- Stricture, intestine
- Compression, intestine
- Constriction, intestine
- Stricture, rectosigmoid
- Kink, ileum or intestine
- Occlusion, occluded, bowel
- Occlusion, occluded, colon
- Stricture, sigmoid (flexure)
- Angulation, sigmoid (flexure)
- Stenosis (cicatricial), colon
- Stenosis (cicatricial), ileum
- Occlusion, occluded, intestine
- Stenosis (cicatricial), jejunum
- Stenosis (cicatricial), intestine
- Angulation, intestine (large) (small)
- Obstruction, obstructed, obstructive, bowel
- Obstruction, obstructed, obstructive, cecum
- Obstruction, obstructed, obstructive, colon
- Obstruction, obstructed, obstructive, ileum
- Obstruction, obstructed, obstructive, jejunum
- Obstruction, obstructed, obstructive, sigmoid
- Obstruction, obstructed, obstructive, rectosigmoid
- Obstruction, obstructed, obstructive, gastrointestinal
- Ileus (bowel) (colon) (inhibitory) (intestine), mechanical NEC
- Ileus (bowel) (colon) (inhibitory) (intestine), obstructive NEC
- Contraction, contracture, contracted, bowel, cecum, colon or intestine, any part
- Gangrene, gangrenous (dry) (moist) (skin) (ulcer), mesentery, with intestinal obstruction
- Obstruction, obstructed, obstructive, intestine (mechanical) (paroxysmal) (postinfective)
- Gangrene, gangrenous (dry) (moist) (skin) (ulcer), intestine, intestinal (hemorrhagic) (massive), with, obstruction
Notes for K56.6
As CIHI prints them, with any note K56.6 takes from the headings above it.
Includes
- EnterostenosisObstructive ileus NOSOcclusion, Stenosis, Stricture of colon or intestine
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)From K56 Paralytic ileus and intestinal obstruction without hernia
- 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 K56.6 sits
- 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
- 2Block K55-K64Other diseases of intestines
- 3Category K56Paralytic ileus and intestinal obstruction without hernia
- 4Valid code K56.6Other and unspecified intestinal obstruction
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 K56.6 mean?
K56.6 is the ICD-10-CA code for “Other and unspecified intestinal obstruction” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is K56.6 in ICD-10-CA?
K56.6 sits under K56 Paralytic ileus and intestinal obstruction without hernia, within K55-K64 Other diseases of intestines, within Chapter 11: Diseases of the digestive system (K00-K93).
What coding notes apply to K56.6?
ICD-10-CA lists Includes, Excludes notes for K56.6, 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.