K55.1
K55.1: Chronic vascular disorders of intestine
Billable / specific codeICD-10-CM
K55.1 is a billable, specific ICD-10-CM code for chronic vascular disorders of intestine. It is valid for submission on a claim.
Check K55.1 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Chronic ischemic colitis
- Chronic ischemic enteritis
- Chronic ischemic enterocolitis
- Ischemic stricture of intestine
- Mesenteric atherosclerosis
- Mesenteric vascular insufficiency
Excludes1 inherited from the categories above K55.1
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above K55.1
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with K55.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
- K56Paralytic ileus and intestinal obstruction without hernia
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K55.1 is named in 27 Medicare coverage policies: 27 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55937Billing and Coding: Diagnostic Colonoscopy
- A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
- A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
- A56421Billing and Coding: CT of the Abdomen and Pelvis
Alphabetic index entries that lead here
- Wilkie's disease or syndrome
- Abdomen, abdominal›angina
- Angina›abdominal
- Angina›intestinal
- Angina›mesenteric
- Arteriosclerosis, arteriosclerotic›mesenteric(artery)
- Disease, diseased›Wilkie's
- Insufficiency, insufficient›mesenteric
- Ischemia, ischemic›colon chronic(due to mesenteric artery insufficiency)
- Syndrome›Wilkie's
- Colitis›ischemic›chronic
- Colitis›ischemic›due to mesenteric artery insufficiency
Code history
Unchanged in every release from FY2024 to FY2027.