A66.4

Billable

Gummata and ulcers of yaws

A66.4 is the ICD-10-CM code for Gummata and ulcers of yaws. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
A00-B99
Parent
A66
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

Includes

  • Gummatous frambeside
  • Nodular late yaws (ulcerated)

Frequently asked questions

What is ICD-10 code A66.4?
A66.4 is the ICD-10-CM code for "Gummata and ulcers of yaws". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A66.4 a billable code?
Yes — A66.4 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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