K55.9
BillableVascular disorder of intestine, unspecified
Vascular disorder of intestine, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Ischemic colitis
- Ischemic enteritis
- Ischemic enterocolitis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •angioectasia (angiodysplasia) duodenumK31.81
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(158)
SNOMED CT
- Acute ischaemic enterocolitis5820008
- Acute ischemic enterocolitis5820008
- Colonic ischaemia30588004
- Colonic ischemia30588004
- Ischaemic colitis30588004
- Ischemic colitis30588004
- Acute ischaemic enteritis33906009
- Acute ischemic enteritis33906009
- Inflammation of intestine due to ischaemia73665001
- Inflammation of intestine due to ischemia73665001
- Ischaemic enteritis73665001
- Ischaemic enteritis of intestine73665001
- Ischemic enteritis73665001
- Ischemic enteritis of intestine73665001
- Acute ischaemic colitis75700000
- Acute ischemic colitis75700000
- Alimentary tract pain due to vascular insufficiency75938008
- Intestinal ischaemia82196007
- Intestinal ischemia82196007
- Ischaemic bowel disease82196007
- Ischaemic disease of gut82196007
- Ischemic bowel disease82196007
- Ischemic disease of gut82196007
- Vascular insufficiency of intestine82196007
- Vascular insufficiency of the intestine82196007
- Ischaemic enterocolitis90891007
- Ischemic enterocolitis90891007
- AMI - Acute mesenteric ischaemia91489000
- AMI - Acute mesenteric ischemia91489000
- Acute intestinal ischaemia91489000
- Acute intestinal ischaemic syndrome91489000
- Acute intestinal ischemia91489000
- Acute intestinal ischemic syndrome91489000
- Acute intestinal vascular insufficiency91489000
- Acute mesenteric ischaemia91489000
- Acute mesenteric ischemia91489000
- Acute vascular insufficiency of intestine91489000
- Vascular disorder of intestine128321003
- Focal segmental ischaemia of small intestine235844004
- Focal segmental ischemia of small intestine235844004
- Ischaemia of stoma236120009
- Ischemia of stoma236120009
- Acute GIT vascular insufficiency266519001
- Acute gastrointestinal tract vascular insufficiency266519001
- Non-infective enteritis and colitis307418008
- Noninfective enteritis and colitis307418008
- Ischaemic gastroenteritis713180002
- Ischemic gastroenteritis713180002
- Disorder of vascular structure of duodenum737191003
- Vascular disorder of duodenum737191003
- Vascular disorder of small intestine737196008
- Vascular disorder of large intestine737200003
- Nongangrenous ischaemic colitis763398006
- Nongangrenous ischemic colitis763398006
- Ischaemia of colostomy1162504009
- Ischemia of colostomy1162504009
- Acute diffuse ischaemic enteritis16696901000119102
- Acute diffuse ischemic enteritis16696901000119102
- Acute diffuse ischaemic enterocolitis16606531000119101
- Acute diffuse ischemic enterocolitis16606531000119101
UMLS
- Colitis ischaemicC0162529
- Colitis ischemicC0162529
- Colitis, IschemicC0162529
- Colonic ischaemiaC0162529
- Colonic ischemiaC0162529
- Ischaemic colitisC0162529
- Ischemic ColitisC0162529
- Ischemic colitisC0162529
- Ischemic colitis (disorder)C0162529
- colitis ischaemicC0162529
- colitis ischemicC0162529
- colonic ischemiaC0162529
- ischaemic colitisC0162529
- ischemic colitisC0162529
- Inflammation of intestine due to ischaemiaC0267395
- Inflammation of intestine due to ischemiaC0267395
- Inflammation of intestine due to ischemia (disorder)C0267395
- Ischaemic enteritisC0267395
- Ischaemic enteritis of intestineC0267395
- Ischemic enteritisC0267395
- Ischemic enteritis of intestineC0267395
- Intestinal Vascular DisorderC0400883
- Intestinal vascular disorderC0400883
- Vascular disorder of intestineC0400883
- Vascular disorder of intestine (disorder)C0400883
- Vascular disorder of intestine, unspecifiedC0400883
- Vascular disorders of intestineC0400883
- Ischaemic enterocolitisC0267396
- Ischemic enterocolitisC0267396
- Ischemic enterocolitis (disorder)C0267396
- ischemic enterocolitisC0267396
Clinical Terms
- Ischaemic colitis
- AMI - Acute mesenteric ischaemia
- Ischaemic gastroenteritis
- colonic ischemia
- Acute diffuse ischemic enteritis
- Vascular disorder of duodenum
- Acute intestinal ischaemic syndrome
- Ischemia of colostomy
- Acute intestinal vascular insufficiency
- Acute ischemic enterocolitis
- Nongangrenous ischemic colitis
- Intestinal Vascular Disorder
- Ischemic bowel disease
- Ischemic colitis (disorder)
- Ischemic colitis
- Vascular disorder of small intestine
- Acute intestinal ischemic syndrome
- Vascular insufficiency of the intestine
- Ischemic enteritis
- Disorder of vascular structure of duodenum
- Ischemic gastroenteritis
- Intestinal ischemia
- Non-infective enteritis and colitis
- Ischaemic enteritis of intestine
- AMI - Acute mesenteric ischemia
- Colonic ischaemia
- Ischemic enteritis of intestine
- Ischemic disease of gut
- Acute diffuse ischemic enterocolitis
- Focal segmental ischemia of small intestine
- Acute mesenteric ischaemia
- Ischaemia of stoma
- Inflammation of intestine due to ischemia (disorder)
- Colitis ischemic
- ischemic enterocolitis
- Vascular disorder of intestine (disorder)
- Focal segmental ischaemia of small intestine
- Acute mesenteric ischemia
- Acute ischaemic enterocolitis
- Ischaemic bowel disease
- Colitis ischaemic
- Intestinal ischaemia
- Acute diffuse ischaemic enterocolitis
- Acute ischemic enteritis
- Acute ischemic colitis
- Vascular insufficiency of intestine
- Acute diffuse ischaemic enteritis
- Inflammation of intestine due to ischemia
- Ischaemic enteritis
- Acute ischaemic enteritis
- Acute intestinal ischaemia
- Ischemic enterocolitis (disorder)
- Acute GIT vascular insufficiency
- Acute vascular insufficiency of intestine
- Ischaemic disease of gut
- Inflammation of intestine due to ischaemia
- Vascular disorder of large intestine
- Acute intestinal ischemia
- Noninfective enteritis and colitis
- Acute gastrointestinal tract vascular insufficiency
- Ischaemic enterocolitis
- Nongangrenous ischaemic colitis
- Alimentary tract pain due to vascular insufficiency
- Ischemia of stoma
- Ischaemia of colostomy
- Colitis, Ischemic
- Acute ischaemic colitis
Frequently Asked Questions
What is the ICD-10 code for vascular disorder of intestine, unspecified?
The ICD-10-CM code for vascular disorder of intestine, unspecified is K55.9. The full clinical description is "Vascular disorder of intestine, unspecified". K55.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K55.9 mean?
ICD-10-CM code K55.9 represents “Vascular disorder of intestine, unspecified”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.
Is K55.9 a billable code?
Yes, K55.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K55.9 in?
K55.9 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K55.9?
K55.9 has Excludes1 notes indicating codes that cannot be used together with it, including: necrotizing enterocolitis of newborn (P77.-).
What SNOMED CT codes does K55.9 map to?
K55.9 maps to 22 SNOMED CT concepts: 91489000, 266519001, 16696901000119102, 16606531000119101, 75700000, and 17 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K55.9?
K55.9 is linked to 4 UMLS Concept Unique Identifiers: C0162529, C0267395, C0400883, C0267396. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K55.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like vascular disorder of intestine, unspecified affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K55.9?
K55.9 maps to the ICD-11 code: DD3Z (Ischaemic vascular disorders of intestine, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.