E03.2 Hypothyroidism due to medicaments and other exogenous substances
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Hypothyroidism due to medicaments and other exogenous substances
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.
- iodine-deficiency related hypothyroidism (E00-E02)
- postprocedural hypothyroidism (E89.0)
Code first
Code the underlying condition first, then this code.
- poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
Use additional code
Add a second code for the following, when documented.
- code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Related codes
E03.0Congenital hypothyroidism with diffuse goiter ICD-10-CME03.1Congenital hypothyroidism without goiter ICD-10-CME03.3Postinfectious hypothyroidism ICD-10-CME03.4Atrophy of thyroid (acquired) ICD-10-CME03.5Myxedema coma ICD-10-CME03.8Other specified hypothyroidism ICD-10-CME03.9Hypothyroidism, unspecified ICD-10-CM
Common questions
Is E03.2 a billable code?
Yes. E03.2 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.