When is ICD-10 code K57.4 used?

Doctors, hospitals, and insurers may use ICD-10 code K57.4 when recording diverticulitis of both small and large intestine with perforation and abscess in a standardized format. This entry may also act as a broader category that points toward more specific child codes.

Does ICD-10 code K57.4 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10

ICD-10 Code K57.4: Diverticulitis of both small and large intestine with perforation and abscess

Name: ICD-10 Code K57.4: Diverticulitis of both small and large intestine with perforation and abscess
Creator: HealthAssure Clinical Team
Published: 2026-05-26T05:25:39.445Z

K57.4 is an ICD-10 diagnosis entry used to group records related to Diverticulitis of both small and large intestine with perforation and abscess. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).

When is it used?

May be used when a clinician documents diverticulitis of both small and large intestine with perforation and abscess in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter

11Diseases of the digestive system (K00-K95)

block

K55-K64Other diseases of intestines

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

GastroenterologistGeneral Physician

Sibling codes

K57.0Diverticulitis of small intestine with perforation and abscess K57.1Diverticular disease of small intestine without perforation or abscess K57.2Diverticulitis of large intestine with perforation and abscess K57.3Diverticular disease of large intestine without perforation or abscess K57.5Diverticular disease of both small and large intestine without perforation or abscess K57.8Diverticulitis of intestine, part unspecified, with perforation and abscess K57.9Diverticular disease of intestine, part unspecified, without perforation or abscess

Mapped diagnoses and classifications

SNOMED_CT 1086441000119100high

Diverticulitis of small and large intestine with perforation

Source: SNOMED International ICD-10 map

SNOMED_CT 197112002high

Perforation and abscess with diverticular disease of small and large intestine

Source: SNOMED International ICD-10 map

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.

Legacy codes

K57.4

Replacement codes

K57.40 — Diverticulitis of both small and large intestine with perforation and abscess without bleedingK57.41 — Diverticulitis of both small and large intestine with perforation and abscess with bleeding

Common synonyms

Diverticulitis of both small and large intestine with perforation and abscess

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.