Fasting prior to sample collection is recommended
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times to prevent clotting
Frozen (preferred) - 6 months
Refrigerated - 48 hours
Ambient - 8 hours
Sandwich Chemiluminescence Immunoassay (CLIA)
PTH Intact: 14.5 - 87.1 pg/mL
Calcium: 8.5 - 10.5 mg/dL