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Laboratory : Chemistry

Test ID/Workstation :
Specimen Type:
Tube Type:
Green top (lithium heparin) tube
Collection Volume:
1.5 mL
Shipping: Send Refrigerated; Storage: Refrigerated: 4 days; Frozen: 1 month
24 Hours/ 7 days/week
Special Instructions:
For therapeutic monitoring, draw peak levels 2-4 hours post-IV infusion(loading dose) or 3-9 hours post-oral ingestion and trough levels immediately prior to next dose. Please indicate whether the specimen is a peak, trough, or random specimen. Due to the observed cross-reactivity of this assay to fosphenytoin, it is recommended that samples for serum phenytoin measurements be collected at least 2 hours after an intravenous dose of fosphenytoin and at least 4 hours after an intramuscular dose.
1 hour
Additional Info:
Therapeutic range: 10.0-20.0 ug/mL
CPT Code:
Dilantin; Diphenylhydrantoin
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There are 10 nurses in the picture.

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The five differences are:
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– Clipboard paper color

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The two matching doctors are 9 and 14.

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The correct path:
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