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K57.9

K57.9: Diverticular disease of intestine, part unspecified, without perforation or abscess

Non-billable headerICD-10-CM

K57.9 is a non-billable header ICD-10-CM code for diverticular disease of intestine, part unspecified, without perforation or abscess. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above K57.9

A category’s note binds every code beneath it.

Written on K57: Diverticular disease of intestine

  • congenital diverticulum of intestine (Q43.8)
  • Meckel's diverticulum (Q43.0)

Excludes2 inherited from the categories above K57.9

Not part of this code, but both may be coded when both are present.

Written on K57: Diverticular disease of intestine

  • diverticulum of appendix (K38.2)

Other codes that can never be billed with K57.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • K92.2Gastrointestinal hemorrhage, unspecified

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead K57.9

4 child codes. Green means billable.

Other codes under K57

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.