ICD-10-CM FY2027 diagnosis code

A42.9: Actinomycosis, unspecified

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

A42.9 is a billable ICD-10-CM diagnosis code for actinomycosis, unspecified. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

A42.9 questions

Is A42.9 a billable code?

Yes. A42.9 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.

What does A42.9 mean?

A42.9 is the ICD-10-CM code for Actinomycosis, 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.