thyroid-stimulating hormone stimulation test

thy·roid-·stim·u·lat·ing hor·mone stim·u·la·tion test

, TSH-stimulating test
a test that measures the uptake of 131I in the thyroid gland before and after administration of thyroid-stimulating hormone; useful in distinguishing primary hyperthyroidism (increased TSH serum concentration) from secondary or tertiary hyperthyroidism (low TSH serum concentrations).
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