1 x 5 mL light green (mint) top PST tube. Gold top SST tube is also acceptable.
Minimum Blood Volumes for Patients less than 45 kg (100 lb) Including Neonates and Pediatrics
Collect specimen 0-60 minutes prior to next dose.
RECORD time of last dose on requisition.
Time to steady state: adults 10-25 days, children 8-15 days. It is important for comparative measurement that sampling time be consistent.
Therapeutic range: 65.0 - 170.0 mmol/L
Click here for critical values.