MCMedicalCodingSoftware
A66.3

A66.3: Hyperkeratosis of yaws

Billable / specific codeICD-10-CM

A66.3 is a billable, specific ICD-10-CM code for hyperkeratosis of yaws. It is valid for submission on a claim.

Check A66.3 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Ghoul hand
  • Hyperkeratosis, palmar or plantar (early) (late) due to yaws
  • Worm-eaten soles

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Ghoul hand
  • Worm-eaten soles
  • Hyperkeratosis›due to yaws(early) (late) (palmar or plantar)
  • Yaws›hyperkeratosis(early) (late)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under A66

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.