- YFPHE
Phenytoin, Free
Specimen:
Test Code
YFPHE
Specimen Name
Phenytoin, Free
Collect
1-Plain Red Top
Submit
2 mLs (Min: 1 mL) Serum Refrigerated
Special Handling
Separate serum from cells within 2 hours of collection. Transfer 2 mLs serum to a standard transport tube.
Rejection Criteria
Citrated plasma. Serum separator tubes (SST). Tubes that contain liquid anticoagulant.
Stability
Ambient 4 days; Refrigerated 4 days; Frozen 1 month
Methodology
Quantitative Enzyme Multiplied Immunoassay Technique (EMIT)
Performed
Sunday - Saturday
Reported
3-7 days
CPT Codes
- 80186
Components
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Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT