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Test Catalog

Test ID: PHYF    
Phenytoin, Free, Serum

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Useful For Suggests clinical disorders or settings where the test may be helpful

Monitoring for appropriate therapeutic concentration: free phenytoin level is the best indicator of adequate therapy in renal failure


Assessing compliance and toxicity

Method Name A short description of the method used to perform the test

Membrane Separation/Immunoassay

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Phenytoin, Free, S

Aliases Lists additional common names for a test, as an aid in searching

Dilantin Free, Serum
Free Dilantin, Serum
Free Dilantin
Free Phenytoin
Dilantin, Total and Free (ORDER PNYFR)