K57
⚠ Non-billable
Diverticular disease of intestine
ICD-10-CM · FY2026 · Diseases of the Digestive System
Code
K57
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Digestive System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- congenital diverticulum of intestine (Q43.8)
- Meckel's diverticulum (Q43.0)
Excludes2 — not included here, but may code together
- diverticulum of appendix (K38.2)
Code also
- if applicable:
- pelvic abscess (K6A.0-)
- peritonitis (K65.-)
Frequently asked questions
What is ICD-10 code K57?
ICD-10-CM code K57 represents Diverticular disease of intestine. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Digestive System chapter, effective October 1, 2025 – September 30, 2026.
Is K57 billable?
No. K57 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is K57 in?
K57 belongs to the Diseases of the Digestive System chapter (K00–K95) of ICD-10-CM.
Related codes in the K57 category
K57.0
Diverticulitis of small intestine with perforation and abscess
Non-billable
K57.1
Diverticular disease of small intestine without perforation or abscess
Non-billable
K57.2
Diverticulitis of large intestine with perforation and abscess
Non-billable
K57.3
Diverticular disease of large intestine without perforation or abscess
Non-billable
K57.4
Diverticulitis of both small and large intestine with perforation and abscess
Non-billable
K57.5
Diverticular disease of both small and large intestine without perforation or abscess
Non-billable
K57.8
Diverticulitis of intestine, part unspecified, with perforation and abscess
Non-billable
K57.9
Diverticular disease of intestine, part unspecified, without perforation or abscess
Non-billable
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