ICD-10-CM
ICD-10 code for Thyroid nodule: E04.1
The closest CDC title for "Thyroid nodule" is E04.1, Nontoxic single thyroid nodule. E04.1 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under E04, then other CDC titles that name nontoxic single thyroid nodule
A header groups codes and is not billed. A billable code is one you can report.
Excludes1
Excludes1 means these codes are not reported together.
From E04. A note on a category applies to every code under it.
Related conditions
Related pages
- E04.1 code detailsNotes, nearby codes, CMS-HCC group
- Category E04Every code under it
- Chapter 4Endocrine, nutritional and metabolic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Thyroid nodule?
The closest CDC title for "Thyroid nodule" is E04.1, Nontoxic single thyroid nodule. E04.1 is a billable code.
Is E04.1 billable?
Yes. E04.1 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to E04.1?
The CDC tabular list gives 2 Excludes1 notes (not coded together) for E04.1 and the categories above it. They are listed on this page.
What chapter is E04.1 in?
Chapter 4. Endocrine, nutritional and metabolic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.