Is A66.9 a billable code?
Yes. A66.9 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
A66.9: Yaws, unspecified
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
A66.9 is a billable ICD-10-CM diagnosis code for yaws, unspecified. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with A66.9 already added.Good Faith EstimateStart a cost estimate with A66.9 already added.CMS-1500 Claim FormFill a claim form with A66.9 in box 21.
A66.9 questions
What does A66.9 mean?
A66.9 is the ICD-10-CM code for Yaws, unspecified. It is in chapter 1, Certain infectious and parasitic diseases (A00-B99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.