unit/l : 33 ( 1.4 % ) were hyperthyroid , 20 ( 0.9 % ) were being treated for hyperthyroidism , 115 ( 4.9 % ) were receiving l-thyroxin , and 17 ( 0.7 % ) were clinically euthyroid but had severe non-thyroidal illnesses .
C0020550
hyperthyroidism
C0040132
thyroidal