2024 ICD-10-CM Diagnosis Code A74.81

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Chlamydial peritonitis

  • A74.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM A74.81 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A74.81 – other international versions of ICD-10 A74.81 may differ.

The following code(s) above A74.81 contain annotation back-references

 that may be applicable to A74.81:

  • A00-B99  Certain infectious and parasitic diseases
  • A70-A74  Other diseases caused by chlamydiae
  • A74  Other diseases caused by chlamydiae

Approximate Synonyms

  • Chlamydia peritonitis
  • Perihepatitis due to chlamydia trachomatis

ICD-10-CM A74.81 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 865 Viral illness with mcc
  • 866 Viral illness without mcc

Convert A74.81 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 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): No change

Code annotations containing back-references to A74.81:

Diagnosis Index entries containing back-references to A74.81: