Phenylalanine

1 x 5 mL dark green top heparin tube, NOT PST  

Require minimum four hour fast.

PSC: Centrifuge, remove plasma, and transport on ice to DSC.
RRL: Centrifuge, remove plasma, and transport on ice to ACH.
Extra-regional: Centrifuge, remove plasma, and freeze prior to transport to DSC.

Test may be collected any day, however if results are required by Friday, specimen MUST reach Kinsman Pediatric Centre (located at ACH) by 16:00 on Wednesday.