K57 – Diverticular disease of intestine
ICD-10-CM 2027 diagnosis code · Other diseases of intestines
ICD-10-CM code
K57
- Code
K57(claims format:K57)- Description
- Diverticular disease of intestine
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K55-K64 Other diseases of intestines
Billable codes under K57
K57 is a header code and cannot be used on claims. Choose the most specific code:
- K57.0 – Diverticulitis of small intestine with perforation and abscessHeader (more codes below)
- K57.1 – Diverticular disease of small intestine without perforation or abscessHeader (more codes below)
- K57.2 – Diverticulitis of large intestine with perforation and abscessHeader (more codes below)
- K57.3 – Diverticular disease of large intestine without perforation or abscessHeader (more codes below)
- K57.4 – Diverticulitis of both small and large intestine with perforation and abscessHeader (more codes below)
- K57.5 – Diverticular disease of both small and large intestine without perforation or abscessHeader (more codes below)
- K57.8 – Diverticulitis of intestine, part unspecified, with perforation and abscessHeader (more codes below)
- K57.9 – Diverticular disease of intestine, part unspecified, without perforation or abscessHeader (more codes below)
Notes for K57
Excludes1 (not coded here):
Excludes2 (not included here):
- diverticulum of appendix (K38.2)
Frequently asked questions
What is ICD-10 code K57?
K57 is the ICD-10-CM code for diverticular disease of intestine, in the block K55-K64 (Other diseases of intestines).
Is K57 a billable code?
No. K57 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.