K57.12 – Diverticulitis of small intestine without perforation or abscess without bleeding

ICD-10-CM 2027 diagnosis code · Other diseases of intestines

Billable code

ICD-10-CM code K57.12
Code
K57.12 (claims format: K5712)
Description
Diverticulitis of small intestine without perforation or abscess without bleeding
Short description
Dvtrcli of sm int w/o perforation or abscess w/o bleeding
Billable
Yes – valid for HIPAA-covered transactions
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
Parent codes
K57 › K57.1

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K57 – Diverticular disease of intestine

Excludes1 (not coded here):
  • congenital diverticulum of intestine (Q43.8)
  • Meckel's diverticulum (Q43.0)
Excludes2 (not included here):
  • diverticulum of appendix (K38.2)
Code also:
  • if applicable:
  • pelvic abscess (K6A.0-)
  • peritonitis (K65.-)

K57.1 – Diverticular disease of small intestine without perforation or abscess

Excludes1 (not coded here):
  • diverticular disease of both small and large intestine without perforation or abscess (K57.5-)

Index terms for K57.12

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K57.1

Frequently asked questions

What is ICD-10 code K57.12?

K57.12 is the ICD-10-CM code for diverticulitis of small intestine without perforation or abscess without bleeding, in the block K55-K64 (Other diseases of intestines).

Is K57.12 a billable code?

Yes. K57.12 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K57.12 belong to?

It belongs to category K57 – Diverticular disease of intestine.

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.