K56.1

ICD-10Billable

Intussusception

Official ICD-10-CM descriptor (FY2026)

Intussusception

K56.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Intussusception or invagination of bowel
  • Intussusception or invagination of colon
  • Intussusception or invagination of intestine
  • Intussusception or invagination of rectum

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

  • intussusception of appendix (K38.8)

Related codes in K56

Where this code sits

Parent code
K56

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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