- Test Name
- Phenytoin
- Aliases
- Phenytoin (Serum/plasma)
- Provincial Mnemonic
- PHENY
- LOINC Test Code
- 14877-5
- Description and Primary Use
- To determine phenytoin levels in the blood for maintaining the therapeutic level, to evaluate phenytoin toxicity
- Reorder interval
- Not yet defined
- TAT
- ≤ 3d
- Test Cost
- Not determined
- Tier
- 1 - General Availability
- Ordering Requirements (Restrictions / Conditions)
No Restrictions
- Required Consultations
- None
- Algorithms and Guidelines
None
- Special Patient Preparation
Date/Time of last and next doses must be provided. Collect Trough: Just before next dose
- Special Collection / Transport / Processing Requirements
No special requirements.
- Criteria for Rejection
Based on specimen condition and stability
- Laboratory Service Area
- Clinical Chemistry
- Performing Laboratory / Site
- Selected Category 2, Category 3 and Category 4 laboratory sites
- Last Updated
- 11-May-18