ICD-10-CM diagnosis code
K57.92 Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
- Billable
- Yes, a complete code (FY2026)
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Other codes in K57
24 complete codes in this category.
- K57.40Diverticulitis of both small and large intestine with perforation and abscess without bleeding
- K57.41Diverticulitis of both small and large intestine with perforation and abscess with bleeding
- K57.50Diverticulosis of both small and large intestine without perforation or abscess without bleeding
- K57.51Diverticulosis of both small and large intestine without perforation or abscess with bleeding
- K57.52Diverticulitis of both small and large intestine without perforation or abscess without bleeding
- K57.53Diverticulitis of both small and large intestine without perforation or abscess with bleeding
- K57.80Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding
- K57.81Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding
- K57.90Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding
- K57.91Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
- K57.92Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
- K57.93Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding
Documentation tips
- Make sure the note supports every element of the title, “Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding”: 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 K57.
The international WHO ICD-10 also has K57, 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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