K55.059

K55.059: Acute (reversible) ischemia of intestine, part and extent unspecified

Billable / specific codeICD-10-CM

K55.059 is a billable, specific ICD-10-CM code for acute (reversible) ischemia of intestine, part and extent unspecified. It is valid for submission on a claim.

Check K55.059 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above K55.059

A category’s note binds every code beneath it.

Written on K55: Vascular disorders of intestine

necrotizing enterocolitis of newborn (P77.-)

Excludes2 inherited from the categories above K55.059

Not part of this code, but both may be coded when both are present.

Written on K55: Vascular disorders of intestine

angioectasia (angiodysplasia) duodenum (K31.81-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

K55.059 is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56389Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
A56421Billing and Coding: CT of the Abdomen and Pelvis
A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
A56727Billing and Coding: Wireless Capsule Endoscopy

Alphabetic index entries that lead here

Embolism›mesenteric(artery) (vein) (with gangrene)
Enterocolitis›fulminant ischemic
Enterocolitis›hemorrhagic(acute)
Enteropathy›hemorrhagic, terminal
Ischemia, ischemic›mesenteric, acute
Narrowing›mesenteric artery
Embolism›artery›mesenteric(with gangrene)
Ischemia, ischemic›bowel›acute
Ischemia, ischemic›intestine›acute
Insufficiency, insufficient›vascular›intestine›acute

Code history

Unchanged in every release from FY2024 to FY2027.