Red top (no anticoagulant) or Green top (lithium heparin)tube
0.4 mL (minimum 0.2 mL)
Cause for rejection:
Daily, 24 hours; STAT
Special Instructions: Please order on a manual requesition
To determine toxicity, draw levels 4 hours post-ingestion and 2-4 hours later. This half-life indicates a likelihood of liver injury if more than 4 hours. For therapeutic monitoring. draw peak levels 1 hour post oral dose and trough levels immediately prior to next dose. Please indicate whether the specimen is a peak, trough, or random level.
Therapeutic range: 10-25 ug/mL
Tylenol; Paracetamol; Datril