---
title: "ICD-10-CM E03.0: Congenital hypothyroidism with diffuse… | BillingBrief"
description: "ICD-10-CM code E03.0: Congenital hypothyroidism with diffuse goiter. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/e03.0/"
language: "en"
---

# E03.0 Congenital hypothyroidism with diffuse goiter

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Congenital hypothyroidism with diffuse goiter

## Related codes

-   [`E03.1` Congenital hypothyroidism without goiter ICD-10-CM](https://billingbrief.com/icd10/e03.1/)
-   [`E03.2` Hypothyroidism due to medicaments and other exogenous substances ICD-10-CM](https://billingbrief.com/icd10/e03.2/)
-   [`E03.3` Postinfectious hypothyroidism ICD-10-CM](https://billingbrief.com/icd10/e03.3/)
-   [`E03.4` Atrophy of thyroid (acquired) ICD-10-CM](https://billingbrief.com/icd10/e03.4/)
-   [`E03.5` Myxedema coma ICD-10-CM](https://billingbrief.com/icd10/e03.5/)
-   [`E03.8` Other specified hypothyroidism ICD-10-CM](https://billingbrief.com/icd10/e03.8/)
-   [`E03.9` Hypothyroidism, unspecified ICD-10-CM](https://billingbrief.com/icd10/e03.9/)

## Common questions

### Is E03.0 a billable code?

Yes. E03.0 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

E03 Other hypothyroidism

Chapter

Endocrine, nutritional and metabolic diseases

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).