Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 462: 1.1 
Day 531: 0.96 
Day 617: 0.87 
Day 678: 0.9 

Tested for Thyroxine (T4), Free in Blood
Trend is decreasing
Abnormality: 
Low values on days 617, 678
