AutoICD API

A66

Non-billable

Yaws

Yaws

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

A65-A69

Child Codes

10

ICD-11 Mapping

1 equivalent

Coding Notes

Includes

Conditions included under this code

  • diseases generally recognized as communicable or transmissible
  • bouba
  • frambesia (tropica)
  • pian

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • certain localized infections - see body system-related chapters

Use Additional Code

Additional codes that should follow this code

Child Codes (10)

ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(19)
Frequently Asked Questions
What is the ICD-10 code for yaws?

The ICD-10-CM code for yaws is A66. The full clinical description is "Yaws". A66 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code A66 mean?

ICD-10-CM code A66 represents “Yaws”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.

Is A66 a billable code?

No, A66 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under A66.

What chapter is A66 in?

A66 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A66?

A66 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.

What are the subcategories under A66?

A66 has 10 child codes, including: 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), and 6 more.

Are additional codes required with A66?

Yes, when using A66, also report: resistance to antimicrobial drugs (Z16.-).

What are the UMLS CUIs for A66?

A66 is linked to 1 UMLS Concept Unique Identifier: C0043388. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does A66 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like yaws affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of A66?

A66 maps to the ICD-11 code: 1C1D.Z (Yaws, unspecified).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.