Corrected Phenytoin (Albumin)

Phenytoin Level

mg/L

Albumin

g/dL

Corrected level

mg/L

Formula

Corrected Phen = Phen Level / (adjustment*Alb + 0.1)

Adjustment = 0.2

In patients with Creatinine Clearance < 20, adjustment = 0.1

Info

References:
Martin E. J Pharmacokinet Biopharm. 1977 Dec;5(6):579-96. -> PubMed