Mephenytoin

Alphabetical Test listing

Mephenytoin-1997

  
Mephenytoin
  
1997
  
82492.11
  
Mephenytoin
  
MEP
Mesantoin
Nirvanol
  

Therapeutic drug management

  
Serum
  
  
2.0 mL
  
0.5 mL
  

Trough levels are most reproducible

  

Spin and separate

  
  
Heparin plasma
  

Dk green heparin (Li or Na), no gel

 

  

Spin and separate

  

Serum/plasma transfer vial/tube (MedTox)

  

Refrigerated (preferred)

Ambient - 3 days

Frozen (OK)

  
MedTox Laboratories (68): R-MX
  
Varies
  
4 days
  

High Performance Liquid Chromatography with Ultraviolet Detection; (HPLC-UV)

  

Mephenytoin: 1.0 - 5.0 µg/mL

Normephenytoin (Nirvanol): 15.0 - 35.0 µg/mL

  

Mephenytoin
High: 20 µg/mL

Normephenytoin (Nirvanol)
High: 50.0 µg/mL

  
G0480
  
Yes
  
  
11/30/2001
  
10/15/2020
  
05/11/2020