Unit Code 9993:
Phenytoin, Total and Free, Serum
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 Unit Code. Profile information lists tests performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.
| Unit Code | Reporting Name | Available Separately | Always Performed |
| 6794 | Phenytoin, Free, S | No | Yes |
| 18069 | Phenytoin, Total, S | Yes (order #8604) | Yes |
Method Name A short description of the method used to perform the test
6794: Membrane Separation/Immunoassay
18069: Immunoassay
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
Phenytoin, Total and Free, S
Ordering Mnemonic An alternate Mayo code (to the Unit Code) for a test
PNYFT
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)
Soft-PNYFR
External
link
PDF
document
Excel
document
Word
document