Test Name: PTH
Health Link Test Code: HCPTHIN
LIS Test Code: PTHIN
CPT Code(s): 83970
Methodology: Chemiluminescent Immunoassay
Days Performed: Daily, 24 hours.
In-Lab Turnaround Time: 4 hours.
Collection Container: Lavender top
Collection Volume: 4 mL
Pediatric Collection Volume: 1 mL
2 days on cells
Sample Analyzed: Plasma
Testing Volume: 1 mL
Pediatric Testing Volume: 0.4 mL
Centrifuge immediately. Transfer cell-free plasma to plastic screw cap vial. Refrigerate.
Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.
0 days and up: 23-97 pg/mL
Interpretation Type: Reference Interval
Results may be affected if patient has developed heterophilic antibodies due to exposure to animal based protein products.