Thyroid function tests are used to identify hypothyroidism or hyperthyroidism, and suggest their cause. This section outlines an approach to the interpretation of TFTs.
Grounds D, Richmond V. Managing subclinical hypothyroidism. Australian Prescriber. 1999;22(6).
Halsall DJ, English E, Chatterjee VK. Interference from heterophilic antibodies in TSH assays. Annals of clinical biochemistry. 2009 Jul;46(4):345-6.
Kasagi K, Kousaka T, Higuchi K, Iida Y, Misaki T, Alam MS, Miyamoto S, Yamabe H, Konishi J. Clinical significance of measurements of antithyroid antibodies in the diagnosis of Hashimoto's thyroiditis: comparison with histological findings. Thyroid. 1996 Oct;6(5):445-50.