Phenytoin - Total, Serum/Plasma Test (3751SP)
| Analysis Code |
3751SP |
| Test Name |
Phenytoin - Total, Serum/Plasma |
| Test Includes |
Phenytoin - Total [IA] |
| Compound Synonym(s) |
Dilantin® |
| Purpose |
Therapeutic Drug Monitoring |
| Category |
Antiepileptic, Anticonvulsant |
| Method(s) |
Immunoassay (IA) |
| Specimen Requirements |
1 mL Serum or Plasma |
| Transport Temperature |
Refrigerated |
| Specimen Container |
Plastic container (preservative-free) |
| Special Handling |
Serum: Collect sample in Red top tube
Plasma: Collect sample in Lavender or Pink top tube (EDTA), Green top tube (Sodium Heparin), Light Blue top tube (Sodium Citrate) or Gray top tube (Sodium Fluoride / Potassium Oxalate)
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines. |
| Light Protection Required |
Not Required |
| Stability |
Room Temperature: 1 month(s)
Refrigerated: 1 month(s)
Frozen (-20 °C): 3 month(s) |
| Rejection Criteria |
Polymer gel separation tube (SST or PST). |
| Day(s) Test Set-up |
[IA] Monday Wednesday Friday 2nd Shift 1 day |
| Suggested CPT Code |
[IA] 80185 |
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