Test ID: PNYFR
Phenytoin, Total and Free, Serum
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
9993
Useful For Suggests clinical disorders or settings where the test may be helpful
Monitoring for appropriate therapeutic concentration
Assessing toxicity
Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| PHYF | Phenytoin, Free, S | No | Yes |
| PNYT | Phenytoin, Total, S | Yes, (order #8604) | Yes |
Method Name A short description of the method used to perform the test
PHYF/6794: Membrane Separation/Immunoassay
PNYT/18069: Immunoassay
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Phenytoin, Total and Free, S
Aliases Lists additional common names for a test, as an aid in searching
Dilantin (Phenytoin)
Dilantin, Free
Dilantin, Total and Free, Serum
Diphenylhydantoin
Free Dilantin (Phenytoin)
Phenytoin (Dilantin)
Dilantin, Free
Dilantin, Total and Free, Serum
Diphenylhydantoin
Free Dilantin (Phenytoin)
Phenytoin (Dilantin)
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