ICD10
ICD-10 Code K57.2: Diverticulitis of large intestine with perforation and abscess
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 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
category
K57Diverticular disease of intestine
currentK57
Official coding notes
Excludes1 (do not code together)
- diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
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
Related codes
Sibling codes
K57.0Diverticulitis of small intestine with perforation and abscessK57.1Diverticular disease of small intestine without perforation or abscessK57.3Diverticular disease of large intestine without perforation or abscessK57.4Diverticulitis of both small and large intestine with perforation and abscessK57.5Diverticular disease of both small and large intestine without perforation or abscessK57.8Diverticulitis of intestine, part unspecified, with perforation and abscessK57.9Diverticular disease of intestine, part unspecified, without perforation or abscess
Mapped diagnoses and classifications
SNOMED_CT 1086111000119105high
Abscess of caecum co-occurrent and due to diverticulitis
Source: SNOMED International ICD-10 map
SNOMED_CT 1086341000119107high
Abscess of sigmoid colon co-occurrent and due to diverticulitis
Source: SNOMED International ICD-10 map
SNOMED_CT 235774002high
Abscess with diverticular disease of colon
Source: SNOMED International ICD-10 map
SNOMED_CT 76953007high
Diverticulitis of colon with perforation
Source: SNOMED International ICD-10 map
SNOMED_CT 280992001high
Perforated diverticulum of large intestine
Source: SNOMED International ICD-10 map
SNOMED_CT 722855007high
Perforation and abscess of large intestine co-occurrent and due to diverticulitis
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
K57.2
Replacement codes
K57.20 — Diverticulitis of large intestine with perforation and abscess without bleedingK57.21 — Diverticulitis of large intestine with perforation and abscess with bleeding
Common synonyms
Diverticulitis of 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.