E03.4 Atrophy of thyroid (acquired)
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Atrophy of thyroid (acquired)
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- congenital atrophy of thyroid (E03.1)
- iodine-deficiency related hypothyroidism (E00-E02)
- postprocedural hypothyroidism (E89.0)
Related codes
E03.0Congenital hypothyroidism with diffuse goiter ICD-10-CME03.1Congenital hypothyroidism without goiter ICD-10-CME03.2Hypothyroidism due to medicaments and other exogenous substances ICD-10-CME03.3Postinfectious hypothyroidism ICD-10-CME03.5Myxedema coma ICD-10-CME03.8Other specified hypothyroidism ICD-10-CME03.9Hypothyroidism, unspecified ICD-10-CM
Common questions
Is E03.4 a billable code?
Yes. E03.4 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.