E03
Non-billableOther hypothyroidism
E03 is the ICD-10-CM code for Other hypothyroidism. It is a non-billable category code — use a more specific child code such as E03.0 for billing.
- Status
- Header (non-billable)
- Chapter
- E00-E89
- Subcodes
- 8
- Edition
- FY2026
E00-E89 Endocrine, nutritional and metabolic diseases
What this means — in plain language
MedlinePlus · NIHWhat 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.
Excludes1 — not coded here
Medications indicated for this condition
FDA labeling- HydrocortisoneCorticosteroid [EPC]›
- Levothyroxinel-Thyroxine [EPC]›
- PrednisoneCorticosteroid [EPC]›
- Liothyronine›
- Thyroid, Porcine›
- Levothyroxine and Liothyroninel-Thyroxine [EPC]›
- thyroid (USP)›
- Lidocaine, Kenalog, Povidone Iodine›
- Methylprednisolone Acetate, Lidocaine Hydrochloride, Bupivacaine Hydrochloride, Povidine Iodine, Isopropyl Alcohol›
- Prednisolone OralCorticosteroid [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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