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HelpTest Code LAB108 Parathyroid Hormone (PTH) Intact, Plasma
Performing Laboratory
Barnes-Jewish Hospital Laboratory
Methodology
Cobas ECLIA electrochemiluminescence
Literature References:
Package insert: Parathyroid Hormone. PTH STAT. Roche Corporation 12/2020.
Specimen Requirements
For non hospital patients, call Barnes Jewish Hospital Laboratory Customer Service at 314-362-1470 for STAT pick-up.
Specimen Type: Plasma
Container/Tube: Lavender top (EDTA)
Specimen Volume: Full tube
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: results available 2-4 hours of receipt
Test Classification and CPT Coding
83970
Reference Values
15-65 pg/mL
Literature Reference:
Package insert: Parathyroid Hormone. PTH STAT. Roche Corporation 12/2020.
Specimen Transport Temperature
Ambient
Additional Information
For BJH Laboratory Use Only
Alternate Tube:
1 red-top tube
Note: Serum obtained from clotted whole blood collected with no anticoagulant or preservative (red-top tube) is not preferred and should be avoided if at all possible. It is acceptable if re-collection is not possible.
Laboratory Processing Instructions:
Test performed in BJH Core Lab. Processed by automated line for delivery to the Cobas 8000. Completed specimens are stored refrigerated for 5 days. For PTH gradient, create 2 PTH orders, comment “grafted” and “non-grafted.”
LOINC Code Information
| Name | LOINC Code |
| Parathyroid Hormone Intact, Plasma | 2731-8 |