Secondary hyperthyroidism

Definition

Overproduction of thyroid hormone in the thyroid gland induced by dysfunction of the pituitary gland or hypothalamus.

Exclusions

• Generalised resistance to thyroid hormone (5A05)
• Selective pituitary resistance to thyroid hormone (4B4Y)

Also indexed as

Nearby in Thyrotoxicosis

• 5A02.0Thyrotoxicosis with diffuse goitre
• 5A02.1Thyrotoxicosis with toxic single thyroid nodule
• 5A02.2Thyrotoxicosis with toxic multinodular goitre
• 5A02.3Thyrotoxicosis from ectopic thyroid tissue
• 5A02.4Thyrotoxicosis factitia
• 5A02.5Thyroid crisis
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified