2024 ICD-10-CM Diagnosis Code A56.02

Chlamydial vulvovaginitis

  • A56.02 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 A56.02 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A56.02 – other international versions of ICD-10 A56.02 may differ.

ICD-10-CM Coding Rules

  • A56.02 is applicable to female patients.

The following code(s) above A56.02 contain annotation back-references

 that may be applicable to A56.02:

  • A00-B99  Certain infectious and parasitic diseases
  • A50-A64  Infections with a predominantly sexual mode of transmission
  • A56  Other sexually transmitted chlamydial diseases

Approximate Synonyms

  • Chlamydia vulvovaginitis

ICD-10-CM A56.02 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 742 Uterine and adnexa procedures for non-malignancy with cc/mcc
  • 743 Uterine and adnexa procedures for non-malignancy without cc/mcc
  • 757 Infections, female reproductive system with mcc
  • 758 Infections, female reproductive system with cc
  • 759 Infections, female reproductive system without cc/mcc

Convert A56.02 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 A56.02:

Diagnosis Index entries containing back-references to A56.02:

  • Chlamydia, chlamydialA74.9
    • vulvovaginitis A56.02
  • Vaginitis (acute) (circumscribed) (diffuse) (emphysematous) (nonvenereal) (ulcerative) N76.0
    • chlamydial A56.02
  • Vulvitis (acute) (allergic) (atrophic) (hypertrophic) (intertriginous) (senile) N76.2
    • chlamydial A56.02