Yaws is a chronic infectious disease caused by the bacterium Treponema pallidum pertenue. It primarily affects the skin, bones, and cartilage, leading to lesions and deformities if left untreated. In the International Classification of Diseases, Tenth Revision (ICD-10), Yaws is classified under the code A66.0. This code specifically refers to "initial stage of yaws," indicating the early phase of the disease when primary skin lesions are present.
In the previous edition of the classification system, the Ninth Revision (ICD-9), Yaws was classified under the code 102.0. This code encompassed all stages of the disease, including early and late manifestations. However, it is important to note that ICD-9 codes are no longer in use as ICD-10 codes provide more detailed and specific classification.
Yaws predominantly affects populations in tropical and subtropical regions with limited access to healthcare and sanitation. It is transmitted through direct skin-to-skin contact with an infected individual, often occurring in childhood. The disease progresses in stages, starting with primary skin lesions followed by secondary manifestations affecting bones, joints, and soft tissues. If not treated promptly with antibiotics, Yaws can cause severe complications and long-term disabilities.
Proper diagnosis and treatment of Yaws are crucial to prevent its spread and mitigate its consequences. Early detection through clinical examination and laboratory tests is essential to initiate appropriate antibiotic therapy. Timely intervention can halt disease progression and prevent long-term disabilities, ultimately improving the quality of life for affected individuals.
Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2023-07-10
Medical disclaimer:
This information does not substitute professional medical advice. Always consult your doctor before making health decisions.