1 x 5 mL gold top SST tube 0.2 mL serum Minimum Blood Volume for Patients less than 45 kg (100 lb) Including Neonates and Pediatrics
DO NOT collect in lithium heparin tube.
Collect specimen 0-60 minutes prior to next dose.
RECORD time of last dose on requisition.
For additional information, see Half-life and time to Steady State.
Therapeutic range: 0.80 - 1.50 mmol/L (acute therapy) 0.60 - 1.20 mmol/L (chronic therapy)
Click here for critical values.