All ICD10 Codes
K55Not billable, use a more specific code below

Vascular disorders of intestine

In Other diseases of intestines (K55-K64), chapter 11: Diseases of the Digestive System

27 billable codes under K55: 23 are an MCC, 3 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

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Instructional notes

Excludes1: not coded here, use a different code

  • necrotizing enterocolitis of newborn (P77.-)

Excludes2: not included here, code separately if applicable

  • angioectasia (angiodysplasia) duodenum (K31.81-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

There are no chapter-specific rules for Chapter 11 yet, so the general rules in Section I.B apply.

Read Section I.C.11 (page 58)

All codes under K55

K55 can't be used on a claim. Pick a billable code below; grey headings group them.

K55 MS-DRGs

As the principal diagnosis, the billable codes under K55 group to these 8 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Digestive Diseases

When you eat, your body breaks food down to a form it can use to build and nourish cells and provide energy. This process is called digestion. Your digestive system is a series of hollow organs joined in a long, twisting tube. It runs from your mouth to your anus and includes your esophagus, stomach, and small and large intestines. Your liver, gallbladder and pancreas are also involved. They produce juices to help digestion.

Read more about digestive diseases on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.