Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 348: 0.8 
Day 405: 0.81 
Day 433: 0.82 
Day 503: 0.96 
Day 531: 0.99 
Day 617: 0.91 
Day 1021: 0.81 
Day 1119: 0.85 
Day 1196: 0.98 
Day 1280: 0.83 
Day 1629: 1.2 
Day 1658: 0.88 
Day 1714: 0.83 

Tested for Thyroxine (T4), Free in Blood
Trend is fluctuating
Abnormality: 
Low values on days 348, 405, 433, 617, 1021, 1119, 1280, 1658, 1714
