Test Code PTHRPM Parathyroid Hormone-Related Peptide, Plasma
Additional Codes
| Mayo | PTHRP |
| Epic ID | LAB704 |
Specimen 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 |
|---|---|---|
| Plasma EDTA | Frozen | 30 days |
Transport frozen.
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | OK |
| Gross icterus | OK |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Immunochemiluminometric Assay (ICMA)
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.
Day(s) Performed
Monday through Thursday
Report Available
2 to 5 daysReference Values
≤4.2 pmol/L
Reference values have not been established for patients younger than 1 year.
CPT Code Information
82397