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E03.2

✓ Billable

Hypothyroidism due to medicaments and other exogenous substances

Endocrine, nutritional and metabolic diseases (E00-E89)

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📋 Code Instructions

  • • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • • Code first: poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

❌ Excludes1

inherited from E03

Rules from parent category E03: Other hypothyroidism

  • • iodine-deficiency related hypothyroidism (E00-E02)
  • • postprocedural hypothyroidism (E89.0)

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Code Information

CodeE03.2
BillableYes
ParentE03
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes12 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)