3 - 6 days
Parathyroid Hormone Related Peptide
Parathyroid Related Protein
PTH Related Peptide
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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.
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.