Tube Type:
Green top (lithium heparin) tube
Methodology:
Enhanced Turbidimetric Inhibition Immunoassay
Special Instructions:
For therapeutic monitoring, draw peak levels 1 hour post-IV infusion, 2 hours post-oral ingestion of rapid release theophylline, or 4 hours post-oral ingestion of sustained release theophylline, and trough levels immediately prior to next dose. Please indicate whether the specimen is a peak, trough, or random level.
