TSH STIMULATION BY TRH (SDL12568)
https://www.scanlabglobal.com/shop/sdl12568-tsh-stimulation-by-trh-sdl12568-7766
https://www.scanlabglobal.com/web/image/product.template/7766/image_1920?unique=18393fc
Measures TSH response to TRH for pituitary function. Blunted response suggests hyperthyroidism, guiding radioiodine or surgery.