2024 ICD-10-CM Diagnosis Code A66.4

Gummata and ulcers of yaws

  • A66.4 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 A66.4 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of A66.4 – other international versions of ICD-10 A66.4 may differ.

Applicable To

  • Gummatous frambeside
  • Nodular late yaws (ulcerated)

The following code(s) above A66.4 contain annotation back-references

 that may be applicable to A66.4:

  • A00-B99  Certain infectious and parasitic diseases
  • A65-A69  Other spirochetal diseases
  • A66  Yaws

Approximate Synonyms

  • Yaws gummata and ulcers

ICD-10-CM A66.4 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert A66.4 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

Diagnosis Index entries containing back-references to A66.4: