Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 77: 1.1 
Day 209: 1.1 
Day 847: 0.88 
Day 925: 1.1 
Day 1314: 1.1 

Tested for Thyroxine (T4), Free in Blood
Trend is fluctuating
Abnormality: 
Low values on days 847
