2021 ICD-10-CM Diagnosis Code A66

Yaws

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • A66 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM A66 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of A66 - other international versions of ICD-10 A66 may differ.
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • bouba
  • frambesia (tropica)
  • pian
The following code(s) above A66 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to A66:
  • A00-B99
    2021 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • A65-A69
    2021 ICD-10-CM Range A65-A69

    Other spirochetal diseases

    Type 2 Excludes
    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
ICD-10-CM Codes Adjacent To A66
A60.03 Herpesviral cervicitis
A60.04 Herpesviral vulvovaginitis
A60.09 Herpesviral infection of other urogenital tract
A60.1 Herpesviral infection of perianal skin and rectum
A60.9 Anogenital herpesviral infection, unspecified
A63 Other predominantly sexually transmitted diseases, not elsewhere classified
A63.0 Anogenital (venereal) warts
A63.8 Other specified predominantly sexually transmitted diseases
A64 Unspecified sexually transmitted disease
A65 Nonvenereal syphilis
A66 Yaws
A66.0 Initial lesions of yaws
A66.1 Multiple papillomata and wet crab yaws
A66.2 Other early skin lesions of yaws
A66.3 Hyperkeratosis of yaws
A66.4 Gummata and ulcers of yaws
A66.5 Gangosa
A66.6 Bone and joint lesions of yaws
A66.7 Other manifestations of yaws
A66.8 Latent yaws
A66.9 Yaws, unspecified

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.