Tested for Phenytoin in Blood
Normal range: 10.0 - 20.0 ug/mL
Day 205: 14.5 
Day 206: 10.3 
Day 206: 10.3 
Day 208: 10.8 
Day 224: 7.7 
Day 254: 8.1 
Day 336: 12.8 
Day 338: 17.2 
Day 339: 15.6 

Tested for Phenytoin in Blood
Trend is increasing
Abnormality: 
Low values on days 224, 254
