Mephenytoin and Metabolite

Last Modified: 10/6/2017 4:02:17 PM

Specimen Requirements: 2.0 mL Plasma from a Lavender Top Tube - EDTA in a plastic vial
Collection Instructions: Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines
Minimum Volume: 0.7 mL Plasma
Transport & Storage: Temperature/Stability:

14 days Ambient
14 days Refrigerated
13 months Frozen

Rejection Criteria: Polymer gel separation tube (SST or PST).
Reference Range: Refer to Interpretive Results
Methodology: High Performance Liquid Chromatography
Clinical Significance: Therapeutic Drug Monitoring: Category Anticonvulsant
Custom Panel: No


Turn Around Time: 8 to 12 days
Days Performed: Monday, Wednesday, Friday
Sites Performed: National Medical Services
PHL Test Code: MSOT
EPIC Test Code:
Send Out Test Code: 2620SP
Alternate Test Names: Mesantoin; Nirvanol
Included Tests: Mephenytoin; Normephenytoin
CPT Coding: 80339

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