Tube Type:
Green top (lithium heparin) tube
Storage:
Shipping- Send Refrigerated; Storage-Room Temp: 2 days; Refrigerated: 7 days; Frozen: 4 weeks
Availability:
24 hours/day, 7 days/week
Special Instructions:
For therapeutic monitoring, draw peak levels approximately 12 hours post-oral ingestion and trough levels immediately prior to next dose. Consistently use same time interval for peak and trough levels and dose administration for proper serial monitoring. Please indicate whether the specimen is a peak, trough, or random level.