Plain red top or SST tube.
Onsite [NJH]: Transport to lab within 1 hour.
Offsite: Separate serum from cells within 2 hours by centrifuge and aliquot into a labeled polypropylene or similar plastic tube.
Preferred volume: 1 mL serum
Minimum volume: 0.3mL serum
Grossly hemolyzed specimens, lipemic samples
Offsite: Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
4 hours room temperature
8 hours refrigerated at 2-8°C
>8 hour frozen at -20°C
1 Step Sandwich Chemiluminescent and Calcium Arsenazo III Complex
Results same day if samples are received prior to 6PM
PTH Intact;PTHI (Parathyroid Hormone Intact), Calcium