K57.80

Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding

Billable FY2026 2025-10-01 → 2026-09-30

This is the unspecified option. 1 more specific code sit alongside it. Worth checking whether the documentation supports one of them.

Exclusions 11 never code together

K57code

Excludes1

Excludes2

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
neoplasms (C00-D49)C00-D49
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 1

K57code

Code also

Official Guidelines 1 names this code

ICD-10-CM Official Guidelines for Coding and Reporting, quoted in full. Published by CMS and NCHS; in the public domain.

I.C.11 Chapter 11: Diseases of the Digestive System (K00-K95) names this code p.58

Reserved for future guideline expansion

Index entries leading here 5

Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
- with
  - diverticular disease (intestine) K57.80
Diverticulitis (acute) K57.92
- intestine K57.92
  - with
    - abscess, perforation K57.80
Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) K65.9
- with or following
  - diverticular disease (intestine) K57.80
Perforation, perforated (nontraumatic) (of)
- diverticulum (intestine) K57.80
Rupture, ruptured
- diverticulum (intestine) K57.80

Alongside this code 1 same parent — K57.8

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.