E03.1
Billable codeCongenital hypothyroidism without goiter
The ICD-10 code for congenital hypothyroidism without goiter is E03.1.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Aplasia of thyroid (with myxedema)
- Congenital atrophy of thyroid
- Congenital hypothyroidism NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- E03.0Congenital hypothyroidism with diffuse goiter
- E03.2Hypothyroidism due to medicaments and other exogenous substances
- E03.3Postinfectious hypothyroidism
- E03.4Atrophy of thyroid (acquired)
- E03.5Myxedema coma
- E03.8Other specified hypothyroidism
- E03.9Hypothyroidism, unspecified
- E03.1Congenital hypothyroidism without goiter
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 243Approximate match
Associated MS-DRGs
E03.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.