*PTH (Intact)*Calcium, Serum*Phosphorus,Ser um * Vitamin D 25 Hydroxy
6 mL (4 mL min.) serum from 2 SSTs collected between 8-10 a. m. Avoid use of tourniquet and fist clenching during sampling. Separate serum and freeze immediately. Ship frozen. DO NOT THAW. Overnight fasting is preferred.
Arsenazo III, CLIA,
Sample by 1pm
Same Day Evening
Also see PTH - RELATED PEPTIDE.