Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 279: 0.94 
Day 785: 1.0 
Day 1281: 0.97 
Day 1685: 0.99 
Day 2578: 0.81 
Day 3152: 0.9 

Tested for Thyroxine (T4), Free in Blood
Trend is decreasing
Abnormality: 
Low values on days 2578, 3152
