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  Phenytoin Specimen Type:
  also known as Dilantin

Blood


TOXICOLOGY

Specimen requirements: 6.0 mL Red Top
Reference ranges:
CATEGORY LOW   HIGH   UNITS   QUALITATIVE  
N/A 10 20 mcg/mL N/A
Critical values:
CATEGORY LOW   HIGH   UNITS   QUALITATIVE  
N/A N/A >40 mcg/mL N/A
Unit of measure: mcg/mL
Ideal sample: 3.0 mL
Absolute minimum amount: 1 mL
Method of collection: N/A
Transportation: N/A
Label instructions: N/A
Request test on form: MULTI LABS [Chem/Hem/UA/Tox/BB/Rheum] ( 151-104 )
Order/entry screen(s): Toxicology Blood/Drug Levels
Stat frequency: Daily
Stat turn around time: 1 hour
Routine frequency: Daily
Must be in by: N/A
Routine turn around time: 2-3 hours
For Hillcrest deliver to: SCRAP : Specimen Central Receiving and
  Processing, room 2-117
For Thornton deliver to: Chemistry : Processing Desk, 1st floor, Hospital,
  room 1-013
Scheduling requirements : N/A
Method: Particle-Enhanced Turbidimetric
Special Instructions: In general, for those drugs for which peak and trough therapeutic ranges have not been established, the specimen should be obtained within two hours prior to the administration of the next drug dose. Realizing that at steady state concentrations peak and trough levels do not differ appreciably, this level would represent a trough.
  Results are available on a Chart Copy
  Results are Quantitative
CyberLAB abbreviation: PHENY
CyberLAB code: 3820
Lab Processing Instructions: N/A