Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 427: 1.1 
Day 1050: 0.97 
Day 1281: 0.96 
Day 1862: 0.98 
Day 2015: 1.1 
Day 3094: 0.8 
Day 3150: 1.0 

Tested for Thyroxine (T4), Free in Blood
Trend is decreasing
Abnormality: 
Low values on days 3094
