E06: Thyroiditis
Codes under E06 (Thyroiditis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| E06.0 | Acute thyroiditis | ✓ |
| E06.0 | Acute thyroiditis | ✓ |
| E06.1 | Subacute thyroiditis | ✓ |
| E06.1 | Subacute thyroiditis | ✓ |
| E06.2 | Chronic thyroiditis with transient thyrotoxicosis | ✓ |
| E06.2 | Chronic thyroiditis with transient thyrotoxicosis | ✓ |
| E06.3 | Autoimmune thyroiditis | ✓ |
| E06.3 | Autoimmune thyroiditis | ✓ |
| E06.4 | Drug-induced thyroiditis | ✓ |
| E06.4 | Drug-induced thyroiditis | ✓ |
| E06.5 | Other chronic thyroiditis | ✓ |
| E06.5 | Other chronic thyroiditis | ✓ |
| E06.9 | Thyroiditis, unspecified | ✓ |
| E06.9 | Thyroiditis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code E06?
E06 is an ICD-10-CM category covering Thyroiditis. It contains 14 more specific diagnosis codes, 14 of which are billable.
Is E06 a billable code?
No — E06 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 E06.0 — Acute thyroiditis). 14 of the 14 codes under E06 are billable.
What codes fall under E06?
E06 includes E06.0, E06.0, E06.1, E06.1, E06.2, plus 9 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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