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E03.2

Billable

Hypothyroidism due to medicaments and other exogenous substances

E03.2 is the ICD-10-CM code for Hypothyroidism due to medicaments and other exogenous substances. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
E00-E89
Parent
E03
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

What is hypothyroidism? Hypothyroidism, or underactive thyroid, happens when your thyroid gland doesn't make enough thyroid hormones to meet your body's needs. Your thyroid is a small, butterfly-shaped gland in the front of your neck. It makes hormones that control the way the body uses energy. These hormones affect nearly every organ in your body and control many of your body's most important functions. For…

Read more about Hypothyroidism at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Code first

  • •poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code

  • •code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Frequently asked questions

What is ICD-10 code E03.2?
E03.2 is the ICD-10-CM code for "Hypothyroidism due to medicaments and other exogenous substances". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E03.2 a billable code?
Yes — E03.2 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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