Anti-corticosterone is used to test Corticosterone Levels. In Men levels are usually 420 - 220 pg/0.1 ml2. For Women in the Follicular Phase levels are 240 - 150 pg/0.1 ml and 440 - 230 pg/0.1 ml3 in the luteal phase. For laying Hens corticosterone levels are 220 - 50 pg/0.1 ml.