A66.9

What This Code Means

Yaws is a tropical infectious disease caused by bacteria that affects the skin, bones, and joints, causing painful sores and deformities. This code is used when the specific type or stage of yaws is not documented.

Coding Tips

• •Use this unspecified code only when the medical record does not indicate the specific stage of yaws (primary, secondary, latent, or tertiary); query the provider if more detail is available
• •Yaws is endemic in tropical regions; verify the patient's travel history or geographic origin to support the diagnosis coding