K55.031

K55.031: Focal (segmental) acute (reversible) ischemia of large intestine

Billable / specific codeICD-10-CM

K55.031 is a billable, specific ICD-10-CM code for focal (segmental) acute (reversible) ischemia of large intestine. It is valid for submission on a claim.

Check K55.031 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above K55.031

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 K55.031

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

K55.031 is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A55937Billing and Coding: Diagnostic Colonoscopy
A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
A56421Billing and Coding: CT of the Abdomen and Pelvis
A56456Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy

Alphabetic index entries that lead here

Ischemia, ischemic›intestine›acute›large›focal

Code history

Unchanged in every release from FY2024 to FY2027.