E05: Thyrotoxicosis [hyperthyroidism]

Codes under E05 (Thyrotoxicosis [hyperthyroidism]). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
E05.0	Thyrotoxicosis with diffuse goiter	—
E05.00	Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm	✓
E05.01	Thyrotoxicosis with diffuse goiter with thyrotoxic crisis or storm	✓
E05.1	Thyrotoxicosis with toxic single thyroid nodule	—
E05.2	Thyrotoxicosis with toxic multinodular goiter	—
E05.3	Thyrotoxicosis from ectopic thyroid tissue	—
E05.4	Thyrotoxicosis factitia	—
E05.8	Other thyrotoxicosis	—
E05.9	Thyrotoxicosis, unspecified	—
E05.10	Thyrotoxicosis with toxic single thyroid nodule without thyrotoxic crisis or storm	✓
E05.11	Thyrotoxicosis with toxic single thyroid nodule with thyrotoxic crisis or storm	✓
E05.20	Thyrotoxicosis with toxic multinodular goiter without thyrotoxic crisis or storm	✓
E05.21	Thyrotoxicosis with toxic multinodular goiter with thyrotoxic crisis or storm	✓
E05.30	Thyrotoxicosis from ectopic thyroid tissue without thyrotoxic crisis or storm	✓
E05.31	Thyrotoxicosis from ectopic thyroid tissue with thyrotoxic crisis or storm	✓
E05.40	Thyrotoxicosis factitia without thyrotoxic crisis or storm	✓
E05.41	Thyrotoxicosis factitia with thyrotoxic crisis or storm	✓
E05.80	Other thyrotoxicosis without thyrotoxic crisis or storm	✓
E05.81	Other thyrotoxicosis with thyrotoxic crisis or storm	✓
E05.90	Thyrotoxicosis, unspecified without thyrotoxic crisis or storm	✓
E05.91	Thyrotoxicosis, unspecified with thyrotoxic crisis or storm	✓

More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees

Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

Code the diagnosis right