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HelpTest Code DIL Dilantin (Phenytoin)
Methodology
Photometric
Specimen Requirements
Please use preferred tube types whenever possible.
Preferred Container/Tube Type: Green Top (Lithium Heparin) Tube
Alternate Serum Separator Tube (SST)
Transport refrigerated.
NOTE:
Intravenous/oral trough level is for maintenance only. Intravenous peak level should be drawn 60 minutes after dose.
Day(s) Test Set Up
Monday through Sunday
Reference Values
10-20 µg/mL
| Call Back Value | Results |
|---|---|
| Critical Value | >29µg/mL |
Test Classification and CPT Coding
80185
Performing Laboratory
Beebe Healthcare Laboratory
Performing Location
Margaret H. Rollins Laboratory
South Coastal Campus Laboratory
Specimen Tube Color
| Tube Cap Color | Tube Name | |
|---|---|---|
| Preferred | Mint Green Lithium Heparin | |
| Alternate | Serum Separator Tubes (SST) |