Gershan K Davis, R Poholek
Abstract
Thyroxine values for dried blood spots on paper may be low if the paper has been long exposed to high ambient temperature and (or) humidity and (or) to sunlight. Low values are associated with poor extractability of the red color from the spots. We recommend appropriate precautions for such samples.
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Thyroxine values for dried blood spots on paper may be low if the paper has been long exposed to high ambient temperature and (or) humidity and (or) to sunlight. Low values are associated with poor extractability of the red color from the spots. We recommend appropriate precautions for such samples.
Key concepts: Dried blood, Spots, Medicine, Newborn screening, Congenital hypothyroidism, Pediatrics, Internal medicine, Endocrinology