Feb 8, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry


PTH (HCPTHIN) Chemistry Lab Test

Name: PTH

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.

Specimen: Blood

Collection Container: Lavender top

Collection Volume: 4 mL

Pediatric Collection Volume: 1 mL

Stability Refridgerated:

2 days on cells

Stability Frozen:

6 months

Sample Analyzed: Plasma

Testing Volume: 1 mL

Pediatric Testing Volume: 0.4 mL

Specimen Processing:

Centrifuge immediately. Transfer cell-free plasma to plastic screw cap vial. Refrigerate.

Specimen Transport:

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

Test Limitations:

Results may be affected if patient has developed heterophilic antibodies due to exposure to animal based protein products.