Is E03 a billable code?
No. E03 is a header code that groups 8 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
E03: Other hypothyroidism
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
E03 groups related diagnoses under other hypothyroidism. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under E03
- E03.0Congenital hypothyroidism with diffuse goiter
- E03.1Congenital hypothyroidism without 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 questions
What does E03 mean?
E03 is the ICD-10-CM code for Other hypothyroidism. It is in chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.