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Parathyroid hormone related peptide (PTH rP)

Category Biochemistry
Test background

PTH rP is a fetal peptide closely related to PTH which maintains the fetus hypercalcaemic to the mother. It is occasionally produced by tumours and can be a cause of hypercalcaemia of malignancy.

Clinical Indications

Unexplained hypercalcaemia, particularly in patients with known carcinomas.

Reference range

See report

Sample & container required Special container required. A special tube is required from the testing laboratory. Please contact Clinical Biochemistry on ext 30348 to arrange.
Sample volume 1 mL
Turnaround time Up to 6 weeks

Not currently performed in house; this is a referred test. Patient must have had PTH measured before.