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HelpTEST ID PTHRP Parathyroid Hormone-Related Peptide, Plasma
Reporting Name
PTH-Related PeptideSpecimen Type
Plasma EDTASpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Ice-cooled, lavender top (EDTA)
Submission Container/Tube: Plastic vial
Specimen Volume: 0.7 mL
Collection Instructions:
1. Centrifuge specimen in a refrigerated centrifuge or in chilled centrifuge cups.
2. Aliquot plasma into plastic vial and freeze.
Specimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma EDTA | Frozen | 30 days |
Method Name
Immunochemiluminometric Assay (ICMA)
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Reference Values
≤4.2 pmol/L
Reference values have not been established for patients younger than 1 year.
Day(s) Performed
Monday through Thursday
Report Available
2 to 5 daysSpecimen Retention Time
14 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82397
Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.
Useful For
Aiding in the evaluation of individuals with hypercalcemia of unknown origin
Aiding in the evaluation of individuals with suspected humoral hypercalcemia of malignancy
The test should not be used to exclude cancer or screen individuals with tumors for humoral hypercalcemia of malignancy.