high t4 low tsh after thyroidectomyincreased tsh normal t4elevated tsh normal t4high tsh normal t4 pregnancytsh reflex free t4 levelshigh tsh levels normal t4elevated tsh and t4 levelstsh with reflex to free t4 rangetsh reflex free t4 testhigh tsh with normal t3 and t4high tsh and high t4tsh w reflex to free t4