K55.049

K55.049: Acute infarction of large intestine, extent unspecified

Billable / specific codeICD-10-CM

K55.049 is a billable, specific ICD-10-CM code for acute infarction of large intestine, extent unspecified. It is valid for submission on a claim.

Check K55.049 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above K55.049

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 K55.049

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

K55.049 is named in 12 Medicare coverage policies: 12 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56394Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
A56421Billing and Coding: CT of the Abdomen and Pelvis
A56632Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
A56682Billing and Coding: Diagnostic Abdominal Aortography and Renal Angiography

Alphabetic index entries that lead here

Infarct, infarction›colon(acute) (agnogenic) (embolic) (hemorrhagic) (nonocclusive) (nonthrombotic) (occlusive) (segmental) (thrombotic) (with gangrene)
Necrosis, necrotic›colon
Infarct, infarction›intestine›large

Code history

Unchanged in every release from FY2024 to FY2027.