Days Set Up
Monday - Thursday
Analytic Time

3 - 6 days

MiChart Code
PTH-Related Peptide
Soft Order Code

Test Updated:


Parathyroid Hormone Related Peptide
Parathyroid Related Protein
PTH Related Peptide

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All specimens should be accompanied by a requisition.

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MLabs provides all the supplies necessary for the collection of specimens.

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Test Overview

Test Methodology

Immunochemiluminometric Assay (ICMA)

Test Usage

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.

Reference Range

< or = 4.2 pmol/L

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Onsite

Collect specimen in a chilled lavender top tube

Collection Offsite

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.

Lavender Top Tube
Normal Volume
0.7 mL EDTA plasma
Minimum Volume
0.25 mL EDTA plasma

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.