MCMedicalCodingSoftware
K55.05

K55.05: Acute (reversible) ischemia of intestine, part unspecified

Non-billable headerICD-10-CM

K55.05 is a non-billable header ICD-10-CM code for acute (reversible) ischemia of intestine, part unspecified. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above K55.05

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 K55.05

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.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K55.05

3 child codes. Green means billable.

Other codes under K55.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.