E03.2
Billable codeHypothyroidism due to medicaments and other exogenous substances
The ICD-10 code for hypothyroidism due to medicaments and other exogenous substances is E03.2.
Clinical notes
Code first
This code represents a manifestation of an underlying disease. Coding convention requires the underlying (etiology) code to be sequenced first, with this code listed second.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code represents a manifestation. Documentation should identify the underlying condition, which must be coded first.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •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
- E03.1Congenital hypothyroidism without goiter
- E03.3Postinfectious hypothyroidism
- E03.4Atrophy of thyroid (acquired)
- E03.5Myxedema coma
- E03.8Other specified hypothyroidism
- E03.9Hypothyroidism, unspecified
- E03.2Hypothyroidism due to medicaments and other exogenous substances
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2442Approximate match
- 2443Approximate match
Associated MS-DRGs
E03.2 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.