E01.1

ICD-10Billable

Iodine-deficiency related multinodular (endemic) goiter

Official ICD-10-CM descriptor (FY2026)

Iodine-deficiency related multinodular (endemic) goiter

E01.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Iodine-deficiency related nodular goiter

Related codes in E01

Where this code sits

Chapter: 4. Endocrine, nutritional and metabolic diseases (E00-E89)
Block: Disorders of thyroid gland (E00-E07)
Parent code: E01

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.