Tested for Phenytoin in Blood
Normal range: 10.0 - 20.0 ug/mL
Day 2: 4.9 
Day 3: 6.8 
Day 73: 2.9 
Day 74: 2.3 

Tested for Phenytoin in Blood
Trend is decreasing
Abnormality: 
Low values on days 2, 3, 73, 74
