E00

Non-billable

Congenital iodine-deficiency syndrome

E00 is the ICD-10-CM code for Congenital iodine-deficiency syndrome. It is a non-billable category code — use a more specific child code such as E00.0 for billing.

Status
Header (non-billable)
Chapter
E00-E89
Subcodes
4
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For example, they affect your breathing, heart rate, weight, digestion, and moods. Thyroid diseases cause your thyroid to make either too much or too little of the…

Read more about Thyroid Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • subclinical iodine-deficiency hypothyroidism (E02)

Use additional code

  • code (F70-F79) to identify associated intellectual disabilities.

Frequently asked questions

What is ICD-10 code E00?
E00 is the ICD-10-CM code for "Congenital iodine-deficiency syndrome". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E00 a billable code?
No — E00 is a non-billable header code. Use a more specific child code (such as E00.0) for billing.
What are the subcodes of E00?
E00 has 4 more specific child codes, including E00.0, E00.1, E00.2.
What is excluded from E00?
Excludes1 (not coded here): subclinical iodine-deficiency hypothyroidism (E02).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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