A66.3 is the authoritative medical code for Hyperkeratosis of yaws. This classification is used in medical billing and clinical recording to specify the clinical criteria for hyperkeratosis of yaws (ICD-10-CM A66.3), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Sequencing, inclusion, and exclusion notes published for A66.3 in the official ICD-10-CM tabular list.
Conditions the official ICD-10-CM tabular list includes under this code.
Alternative terms the tabular list files under this code.
Conditions not covered by this code, but which may be reported alongside it when both are present.
Per Excludes2 instructions, A66.3 and the following may both be reported when both are present: leptospirosis (A27.-); syphilis (A50-A53).
Hyperkeratosis of yaws includes: Ghoul hand; Hyperkeratosis, palmar or plantar (early) (late) due to yaws; Worm-eaten soles.
Official ICD-10-CM classifications in the same code family as A66.3, with their registry titles.
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: