Dilantin (Phenytoin) Free and Total
Order Name
DILANT F T
Test Number: 3700400
Revision Date 01/03/2022
Test Number: 3700400
Revision Date 01/03/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Dilantin (Phenytoin) Free and Total
|
Immunoassay (IA) |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 3 mL (2.3 mL) | Serum | Clot Activator (Red Top, No-Gel) | Room Temperature |
| Instructions | Specimen Type: Red-top tube OR green-top (heparin) tube. DO NOT USE A GEL-BARRIER TUBE. The use of gel-barrier tubes is not recommended due to slow absorption of the drug by the gel. Depending on the specimen volume and storage time, the decrease in drug level due to absorption may be clinically significant. Specimen Storage: Room Temperature Specimen Collection: Transfer separated serum or plasma to a plastic transport tube. Collect specimen just prior to next dose. Serum or plasma must be separated from cells within 45 minutes of collection. Send serum or plasma in a plastic transport tube. Special Instructions: This panel is routed to labs that run both free and total. If the work is to be run in separate locations, please order test numbers 007401 and 070763. Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days |
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| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Tues-Sat |
| Expected TAT | 2-5 Days |
| Performing Labcorp Test Code | 070706 |
| Notes | Labcorp Test Code: 070706 |
| CPT Code(s) | 80185, 80186 |
| Lab Section | Reference Lab |