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Test Code DILAD Dilantin w/Dose

Specimen Type

Blood

Preferred Collection Container

GRN-PST

Collection Volume

5 mL

Minimum Collection Volume

0.6 mL in a Green microtainer

Collection Instructions

I.V.: 2-4 hours after loading dose; oral – peak: 3-9 hours after dose; trough: immediately prior to next dose. Optimal resampling after change in dosage: 48 hours.

Rejection Criteria

Inadequate labeling, improper collection.

Specimen Storage and Stability

Separate serum and refrigerate.

Turn Around Time

2 hours

Lab Department

Chemistry

Alias

Dilantin; Diphenylhydantoin; Phenytoin;

EPIC Code

LAB2552

Acceptable Collection Container

GRN-PST, SST, R-NoGel, G-NoGel

Testing Volume

0.2 mL (200 ul)

Day(s) and Time(s) Performed

Monday through Sunday, 24 hours