Mephenytoin; Normephenytoin
Therapeutic Drug Monitoring: Category Anticonvulsant
2.0 mL Plasma from a Lavender Top Tube - EDTA in a plastic vial
14 days Ambient
14 days Refrigerated
13 months Frozen
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines
0.7 mL Plasma
Refer to Interpretive Results
Therapeutic Drug Monitoring: Category Anticonvulsant
8 to 12 days
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80339