1 x 5 mL light green (mint) top PST tube. SST is also acceptable.
PSC & RRL: 0.2 mL heparinized plasma or serum
Pediatric: 0.1 mL heparinized plasma or serum
Collect specimen 4h after single acute ingestion. If time of ingestion unknown, collect a sample immediately and a second specimen collected 3-4h later. |