Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 623: 1.3 
Day 642: 1.3 
Day 832: 1.2 
Day 2421: 0.89 
Day 2489: 1.1 

Tested for Thyroxine (T4), Free in Blood
Trend is decreasing
Abnormality: 
Low values on days 2421
