Tested for Thyroxine (T4), Free in Blood
Normal range: 0.93 - 1.7 ng/dL
Day 322: 0.95 
Day 428: 0.85 
Day 481: 0.92 
Day 529: 0.79 
Day 925: 1.0 
Day 1098: 0.93 
Day 1631: 1.1 
Day 2421: 0.98 
Day 2863: 1.3 
Day 3890: 1.6 

Tested for Thyroxine (T4), Free in Blood
Trend is increasing
Abnormality: 
Low values on days 428, 481, 529
