ICD-10-CM FY2027 diagnosis code

E04.1: Nontoxic single thyroid nodule

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

E04.1 is a billable ICD-10-CM diagnosis code for nontoxic single thyroid nodule. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

E04.1 questions

Is E04.1 a billable code?

Yes. E04.1 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 E04.1 mean?

E04.1 is the ICD-10-CM code for Nontoxic single thyroid nodule. It is in chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89).

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.