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ICD-10-CM Codes
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A00-B99
Certain infectious and parasitic diseases
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A65-A69
Other spirochetal diseases
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A66-
Yaws
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2021 ICD-10-CM Diagnosis Code A66.0
2021 ICD-10-CM Diagnosis Code A66.0
Initial lesions of yaws
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- A66.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM A66.0 became effective on October 1, 2020.
- This is the American ICD-10-CM version of A66.0 - other international versions of ICD-10 A66.0 may differ.
Applicable To- Chancre of yaws
- Frambesia, initial or primary
- Initial frambesial ulcer
- Mother yaw
The following code(s) above
A66.0 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
A66.0:
- A00-B99
2021 ICD-10-CM Range A00-B99
Certain infectious and parasitic diseasesIncludes- 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.-)
- A65-A69
2021 ICD-10-CM Range A65-A69
Other spirochetal diseases
- A66
ICD-10-CM Diagnosis Code A66
Yaws
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Includes- bouba
- frambesia (tropica)
- pian
- 606 Minor skin disorders with mcc
- 607 Minor skin disorders without mcc
Convert A66.0 to ICD-9-CM
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
- Chancre (any genital site) (hard) (hunterian) (mixed) (primary) (seronegative) (seropositive) (syphilitic) A51.0
ICD-10-CM Diagnosis Code A51.0
Primary genital syphilis
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Frambesia, frambesial (tropica) - see also Yaws
- initial lesion or ulcer A66.0
- primary A66.0
- Lesion(s) (nontraumatic)
- primary A51.0 - see also Syphilis, primary
ICD-10-CM Diagnosis Code A51.0
Primary genital syphilis
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- Mother yaw A66.0
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- frambesial, initial A66.0
- Yaws A66.9
ICD-10-CM Diagnosis Code A66.9
Yaws, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- chancre A66.0
- initial lesions A66.0
- mother A66.0
ICD-10-CM Codes Adjacent To A66.0
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
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
A66.6 Bone and joint lesions of yaws
A66.7 Other manifestations of yaws
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
