ICD-10-CM › K00-K95 › K35-K38 › K35.3 Acute appendicitis with localized... › K35.33
K35.33
Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2019 to now.
- FY2019 Added to the code set Acute appendicitis with perforation and localized peritonitis, with abscess
-
FY2023
Description revised
Acute appendicitis with perforation and localized peritonitis, with abscessAcute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Omentitis
- Phagedena
- Sloughing
- Sphacelus
- Epiploitis
- Carbunculus
- Mortification
- Paratyphilitis
- Periappendicitis
- Enteroperitonitis
- Necrosis, necrotic
- Pemphigus > gangrenous
- Cellulitis > gangrenous
- Irritation > peritoneum
- Abscess > intra-abdominal
- Appendicitis > gangrenous
- Appendicitis > suppurative
- Rupture, ruptured > appendix
- Dropsy, dropsical > gangrenous
- Infection, infected, infective > peritoneal
- Inflammation, inflamed, inflammatory > cecum
- Inflammation, inflamed, inflammatory > appendix
- Inflammation, inflamed, inflammatory > peritoneum
- Inflammation, inflamed, inflammatory > retrocecal
- Abscess > peritoneum, peritoneal > with appendicitis
- Inflammation, inflamed, inflammatory > retroperitoneal
- Rupture, ruptured > appendix > with localized peritonitis
- Peritonitis > with or following > appendicitis > localized
- Peritonitis > with or following > appendicitis > generalized
- Gangrene, gangrenous > appendix > with > peritonitis, localized
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > gangrenous
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > skin > with gangrene
- Abscess > cecum
- Abscess > appendix
- Abscess > subcecal
- Abscess > ileocecal
- Abscess > pericecal
- Abscess > postcecal
- Abscess > perityphlic
- Abscess > iliac > fossa
Showing 40 of 50 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| K35.30 | Acute appendicitis with localized peritonitis, without perforation or gangrene | Valid |
| K35.31 | Acute appendicitis with localized peritonitis and gangrene, without perforation | Valid |
| K35.32 | Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess | Valid |