E03.2

Hypothyroidism due to medicaments and other exogenous substances

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

RxHCC V08

RXHCC44

Thyroid Disorders

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · E03.2

Use additional

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)

Inherited from E03Other hypothyroidism

Excludes 1

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

Inherited from chapter 4Endocrine, nutritional and metabolic diseases

Excludes 1

transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Note

All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Official Guidelines for E03.2

FY 2026 ›

I.C.4Chapter-specific guidanceChapter 4: Endocrine, Nutritional, and Metabolic Diseases (E00-E89)

Subsections

Find E03.2 in the alphabetic index

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