- PHTN
Phenytoin (Dilantin)
Specimen:
Test Code
PHTN
Specimen Name
Phenytoin (Dilantin)
Collect
1-SST, Red-top Also acceptable Lithium-Heparin
Submit
1 mL (Min: 0.5 mL) Serum or Plasma
Special Handling
Draw SST or Red-Top, allow to clot completely, then centrifuge and separate into specimen transport tube. Lithium-Heparin is also acceptable, centrifuge and pour off into a specimen transport tube.
Rejection Criteria
Grossly hemolyzed, lipemic, icteric specimens
Stability
Refrigerated 4 days
Methodology
Kinetic Interaction of Microparticles in Solution (KIMS) Methodology
Performed
Sunday - Saturday
Reported
1-2 days
CPT Codes
- 80185
Components
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Additional Information
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Common Lab Definitions
- Serum
- Plasma
- STT