A66.3
ICD-10BillableHyperkeratosis of yaws
Official ICD-10-CM descriptor (FY2026)
Hyperkeratosis of yaws
A66.3 is valid for submission on a claim — CMS flags it as a billable, specific code.
Inclusion terms
- Ghoul hand
- Hyperkeratosis, palmar or plantar (early) (late) due to yaws
- Worm-eaten soles
Related codes in A66
Where this code sits
- Parent code
- A66
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.