Test Name
Phenytoin, Unbound
Alternate DescriptionDilantin, free
Lab Section
Specimen Processing Area
Fluid TypeSerum
Specimen Tube Type Transport
Non Gel Red Top
Container Whole Blood Required7 ml whole blood in a Non Gel Red Top
Summary Test NamePhenytoin, Unbound
Specimen Stability72 hours if refrigerated
Minimum Volume0.5 ml serum
Specimen TransportRefrigerate
Specimen Preparation In HouseSpin, separate, refrigerate until shipped
Reference ValueAccompanies report