2024 ICD-10-CM Diagnosis Code K35.20

Acute appendicitis with generalized peritonitis, without abscess

  • K35.20 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Acute appendicitis with gen peritonitis, without abscess
  • ICD-10-CM K35.20 is a new 2024 ICD-10-CM code that became effective on October 1, 2023.
  • This is the American ICD-10-CM version of K35.20 – other international versions of ICD-10 K35.20 may differ.

The following code(s) above K35.20 contain annotation back-references

 that may be applicable to K35.20:

  • K00-K95  Diseases of the digestive system

Code History

  • 2019 (effective 10/1/2018): New code
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): Deleted code
  • 2024 (effective 10/1/2023): New code