ICD-10 Code K55.061 – Focal (segmental) acute infarction of intestine, part unspecified (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code K55.061 – Focal (segmental) acute infarction of intestine, part unspecified
What it is
K55.061 identifies a localized, acute loss of blood flow causing tissue death in an unspecified part of the intestine. Use it when documentation describes a focal or segmental intestinal infarction without naming the exact bowel segment.
Clinical signs
Clinical features vary; refer to documentation. Commonly, records may note sudden abdominal pain, guarding, bloody stools, or imaging and operative findings consistent with ischemic bowel injury.
When to use this code
Use this code when the provider documents focal or segmental acute infarction of the intestine and does not specify the affected part. It may also fit cases confirmed by surgery, imaging, or pathology when the bowel segment remains unidentified in the note.
Code only when the record supports an acute intestinal infarction rather than a nonspecific abdominal pain or general ischemia diagnosis. If the documentation names a specific intestinal location, choose the more precise code instead.
Do not use for
Do not use it for chronic mesenteric ischemia, nonspecific bowel ischemia, or infarction of a clearly documented intestinal segment. Check documentation.
Coding tip
Look for the words focal, segmental, and acute; if the bowel part is named, code the specified site instead of K55.061.