Home
HelpTEST ID PTH PARATHYROID HORMONE (PTH) INTACT
Performing Laboratory
NRLS-Core Chemistry
Specimen Type
Serum/Plasma
Specimen Required
Container/Tube:
Preferred: Lithium Heparin (Mint)
Acceptable: Serum gel, Tiger top, Red top, Lavender EDTA
Specimen Volume: 1.0 mL
Collection Instructions:
Plasma no gel and gel tubes should be centrifuged within 2 hours of collection. 4 hours is acceptable.
Serum gel tubes should be fully clotted and centrifuged within 2 hours of collection. 4 hours is acceptable.
Red-top tubes should be fully clotted, centrifuged and aliquoted within 2 hours of collection.4 hours is acceptable.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum/Plasma | Refrigerated(preferred) | 8 hours |
| Ambient | 4 hours | |
| Frozen | 6 months |
*Lab Outreach- Although preferred temperature is refrigerated, your aliquot and transport temperature is set to frozen so that Outreach samples do not become unstable if not tested within the 8 hours refrigeration stability.
**Clinics who draw and process their own samples should send serum or plasma, frozen, in a separate aliquot.
Reference Values
An interpretive report will be provided