ICD-10-CM diagnosis code
K55.061 Focal (segmental) acute infarction of intestine, part unspecified
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- Yes, a complete code (FY2026)
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Other codes in K55
27 complete codes in this category.
- K55.041Focal (segmental) acute infarction of large intestine
- K55.042Diffuse acute infarction of large intestine
- K55.049Acute infarction of large intestine, extent unspecified
- K55.051Focal (segmental) acute (reversible) ischemia of intestine, part unspecified
- K55.052Diffuse acute (reversible) ischemia of intestine, part unspecified
- K55.059Acute (reversible) ischemia of intestine, part and extent unspecified
- K55.061Focal (segmental) acute infarction of intestine, part unspecified
- K55.062Diffuse acute infarction of intestine, part unspecified
- K55.069Acute infarction of intestine, part and extent unspecified
- K55.1Chronic vascular disorders of intestine
- K55.20Angiodysplasia of colon without hemorrhage
- K55.21Angiodysplasia of colon with hemorrhage
Documentation tips
- Make sure the note supports every element of the title, “Focal (segmental) acute infarction of intestine, part unspecified”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to K55.
The international WHO ICD-10 also has K55, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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