ICD10Check
CheckerBrowseOpen

E04.1

✓ Billable

Nontoxic single thyroid nodule

Endocrine, nutritional and metabolic diseases (E00-E89)

Check This Code

Also Known As

Colloid nodule (cystic) (thyroid)Nontoxic uninodular goiterThyroid (cystic) nodule NOS

❌ Excludes1

inherited from E04

Rules from parent category E04: Other nontoxic goiter

  • • congenital goiter (NOS) (diffuse) (parenchymatous) (E03.0)
  • • iodine-deficiency related goiter (E00-E02)

🧪 Validate Combinations

Add E04.1 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeE04.1
BillableYes
ParentE04
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes12 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)