Test Information:
Phenytoin is one of the most widely prescribed anticonvulsants and is occasionally used as a myocardial antiarrhythmic. The measurements obtained are used in monitoring levels of phenytoin to help ensure therapy. This tests detects the Total measurement of phenytoin (dilantin).
Specimen Container:
Gold Top SST Tube (with clot activator) or Red Top Tube (Plain) – USE PLASTIC TUBE ONLY
Specimen Type:
Serum
Required Volume:
2 mL
Patient Preparation:
No Patient Preparation
Notes:
The following information must be provided upon specimen endorsement via Internal Message or Remarks.
1. Last dose and dosage of medication
2. Date and Time of collection
Storage & Stability
(Before Processing)
- Storage: 2 to 8°C
Stability: 4 days capped - Storage: 15 to 25°C
Stability: 4 days capped - Storage: – 20°C
Stability: 1 to 2 months capped
FREEZE ONLY ONCE!
Transport Temperature:
Ref (2°C to 8°C)
Test Category:
Routine
Test Schedule:
Daily
Results Availability:
Within 4 hours