E01: Iodine-deficiency related thyroid disorders and allied conditions
Codes under E01 (Iodine-deficiency related thyroid disorders and allied conditions). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| E01.0 | Iodine-deficiency related diffuse (endemic) goiter | ✓ |
| E01.0 | Iodine-deficiency related diffuse (endemic) goiter | ✓ |
| E01.1 | Iodine-deficiency related multinodular (endemic) goiter | ✓ |
| E01.1 | Iodine-deficiency related multinodular (endemic) goiter | ✓ |
| E01.2 | Iodine-deficiency related (endemic) goiter, unspecified | ✓ |
| E01.2 | Iodine-deficiency related (endemic) goiter, unspecified | ✓ |
| E01.8 | Other iodine-deficiency related thyroid disorders and allied conditions | ✓ |
| E01.8 | Other iodine-deficiency related thyroid disorders and allied conditions | ✓ |
Frequently asked questions
What is ICD-10-CM code E01?
E01 is an ICD-10-CM category covering Iodine-deficiency related thyroid disorders and allied conditions. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is E01 a billable code?
No — E01 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example E01.0 — Iodine-deficiency related diffuse (endemic) goiter). 8 of the 8 codes under E01 are billable.
What codes fall under E01?
E01 includes E01.0, E01.0, E01.1, E01.1, E01.2, plus 3 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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