K35.32

Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess

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

Exclusions 8 never code together

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

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

Instructional notes 3

Inclusion terms

Index entries leading here 4

Appendicitis (pneumococcal) (retrocecal) K37
- acute (catarrhal) (fulminating) (obstructive) (retrocecal) (suppurative) K35.80
  - with
    - peritonitis NEC K35.33
      - localized K35.30
        
        with
        
        perforation K35.32
- with
  - perforation NOS K35.32
  - peritonitis NEC K35.33
    - rupture (with localized peritonitis) K35.32
    - localized K35.30
      - with
        
        perforation K35.32
- ruptured NOS (with localized peritonitis) K35.32
Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion) K65.9
- with or following
  - appendicitis
    - with perforation or rupture K35.32
Perforation, perforated (nontraumatic) (of)
- appendix K35.32
  - with localized peritonitis K35.32
- cecum K35.32
  - with localized peritonitis K35.32
Rupture, ruptured
- appendix (with peritonitis) K35.32
  - with localized peritonitis K35.32

Alongside this code 3 same parent — K35.3

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.