K35.32
K35.32: Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
Billable / specific codeICD-10-CM
K35.32 is a billable, specific ICD-10-CM code for acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess. It is valid for submission on a claim.
Check K35.32 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- (Acute) appendicitis with perforation NOS
- Perforated appendix NOS
- Ruptured appendix (with localized peritonitis) NOS
Other codes that can never be billed with K35.32
Their own Excludes1 notes name this code, so the conflict is not listed above.
- K65Peritonitis
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K35.32 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55336Billing and Coding: Retroperitoneal Ultrasound
- A56421Billing and Coding: CT of the Abdomen and Pelvis
Alphabetic index entries that lead here
- Appendicitis›ruptured NOS(with localized peritonitis)
- Perforation, perforated›appendix
- Perforation, perforated›cecum
- Rupture, ruptured›appendix(with peritonitis)
- Appendicitis›with›perforation NOS
- Perforation, perforated›appendix›with localized peritonitis
- Perforation, perforated›cecum›with localized peritonitis
- Rupture, ruptured›appendix›with localized peritonitis
- Appendicitis›with›peritonitis NEC›rupture(with localized peritonitis)
- Peritonitis›with or following›appendicitis›with perforation or rupture
- Appendicitis›with›peritonitis NEC›localized›with›perforation
- Appendicitis›acute›with›peritonitis NEC›localized›with›perforation
Code history
Unchanged in every release from FY2024 to FY2027.