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
3 - 6 days
- Parathyroid Hormone Related Peptide
- Parathyroid Related Protein
- PTH Related Peptide
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.
Collect in pre-chilled tube and place on ice immediately.
Test sent to Mayo Medical Laboratories