3 - 6 days
Test Updated:
Parathyroid Hormone Related Peptide
Parathyroid Related Protein
PTHrP
PTH Related Peptide
Looking to order a test?
We’ve provided helpful links to make ordering easy.
Find a RequisitionAll specimens should be accompanied by a requisition.
Submitting SpecimensLearn about how to properly label and where to ship specimens.
Order Kits and SuppliesMLabs provides all the supplies necessary for the collection of specimens.
Test FAQVisit our provider FAQ and learn about common questions to ordering tests.
Test Overview
Immunochemiluminometric Assay (ICMA)
Diagnosis of humoral hypercalcemia of malignancy (HHM) in patients with hypercalcemia and nonelevated PTH. When a patient with HHM has an increased PTHrP value, this test is useful to monitor treatment.
< or = 4.2 pmol/L
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in a chilled lavender top tube. Immediately following collection, centrifuge in a refrigerated centrifuge or chilled centrifuge cups, aliquot plasma into a plastic vial and freeze.