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HelpTest Code LAB5523 Parathyroid Hormone-Related Peptide, Plasma
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
PTH-Related PeptideSpecimen Type
Plasma EDTASpecimen Required
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.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Plasma EDTA | Frozen | 30 days |
Specimen Minimum Volume
0.25 mL
Day(s) Performed
Monday through Thursday
Specimen Retention Time
14 daysReport Available
2 to 5 daysReference Values
≤4.2 pmol/L
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.
CPT Code Information
82397
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PTHRP | PTH-Related Peptide | 15087-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 81774 | PTH-Related Peptide | 15087-0 |
Forms
If not ordering electronically, complete, print, and send a General Request (T239) with the specimen.