Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 301: 1.4 
Day 413: 0.99 
Day 582: 0.82 

Tested for Thyroxine (T4), Free in Blood
Trend is decreasing
Abnormality: 
Low values on days 582
