E01Header code — not billable

Iodine-deficiency related thyroid disorders and allied conditions

Short description: Iodine-deficiency related thyroid disorders and allied cond

Chapter
4. Endocrine, nutritional and metabolic diseases
Category
E01
Effective date
October 1, 2026

Related codes in category E01

E01.0Iodine-deficiency related diffuse (endemic) goiterYesE01.1Iodine-deficiency related multinodular (endemic) goiterYesE01.2Iodine-deficiency related (endemic) goiter, unspecifiedYesE01.8Oth iodine-deficiency related thyroid disord and allied condYes

Frequently asked questions

What is ICD-10 code E01?

E01 is an ICD-10-CM diagnosis code for Iodine-deficiency related thyroid disorders and allied conditions.

Is E01 a billable code?

No. E01 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is E01 in?

E01 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.

When did E01 become effective?

E01 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to E01?

E01 belongs to category E01, which includes 4 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.