2024 ICD-10-CM Diagnosis Code A66

Yaws

  • A66 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2024 edition of ICD-10-CM A66 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A66 – other international versions of ICD-10 A66 may differ.

Includes

  • bouba
  • frambesia (tropica)
  • pian

The following code(s) above A66 contain annotation back-references

 that may be applicable to A66:

  • A00-B99  Certain infectious and parasitic diseases
  • A65-A69  Other spirochetal diseases

Clinical Information

  • A systemic non-venereal infection of the tropics caused by treponema pallidum subspecies pertenue.
  • An endemic, infectious, nonvenereal disease in humans that presents mainly in children younger than 15 years. The disease occurs primarily in warm, humid, tropical areas of africa, asia, south america, and oceania, among poor rural populations where conditions of overcrowding and poor sanitation prevail. Infection with treponema pertenue, a subspecies of treponema pallidum, causes the disease.
  • Tropical systemic non-venereal infection caused by treponema pallidum subspecies pertenue.

Code 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