Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 400: 1.1 
Day 3472: 1.3 
Day 3641: 1.4 
Day 3968: 1.5 
Day 4113: 1.6 
Day 4228: 1.6 
Day 4311: 1.5 
Day 4333: 1.5 
Day 4487: 0.8 
Day 4505: 0.9 
Day 4579: 0.9 

Tested for Thyroxine (T4), Free in Blood
Trend is decreasing
Abnormality: 
Low values on days 4487, 4505, 4579
