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A66.0

Billable

Initial lesions of yaws

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Yaws is a tropical infectious disease caused by bacteria, and this code represents the first skin lesions that appear when someone is initially infected. These early lesions typically appear as a single bump or sore at the site where the bacteria entered the body.

Coding Tips

  • Yaws (A66.0-A66.9) is endemic in tropical and subtropical regions; verify the patient's travel history or geographic origin to support medical necessity
  • This code represents the primary stage of yaws; if the disease has progressed to secondary or tertiary stages, use the appropriate A66 subcategory instead

Code Hierarchy

A66YawsA66.0Initial lesions of yaws
A66.0Initial lesions of yaws

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