Tested for Phenytoin in Blood
Normal range: 10.0 - 20.0 ug/mL
Day 2: 11.4 
Day 5: 10.1 
Day 6: 5.3 
Day 7: 6.9 

Tested for Phenytoin in Blood
Trend is decreasing
Abnormality: 
Low values on days 6, 7
