False hyperthyroidism caused by interference in immunoassays

Affiliations

Jiménez García Clara: Laboratory of Hormones, Hospital General Universitario de Alicante, Pintor Baeza 11, Alicante, Spain
Ortega Fernández Piedad: Laboratory of Clinical Chemistry, Hospital General Universitario de Elche, Almazara, Elche, Spain
Torregrosa Quesada María Eugenia: Laboratory of Hormones, Hospital General Universitario de Alicante, Pintor Baeza 11, Alicante, Spain
González Bueno Victoria: Laboratory of Hormones, Hospital General Universitario de Alicante, Pintor Baeza 11, Alicante, Spain
Botella Belda María Teresa: Laboratory of Hormones, Hospital General Universitario de Alicante, Pintor Baeza 11, Alicante, Spain
Guerra Rocío Alfayate: Laboratory of Hormones, Hospital General Universitario de Alicante, Pintor Baeza 11, Alicante, Spain

Abstract

Immunoassays used to assess thyroid function are vulnerable to different types of interference that may affect clinical decision-making.