Parathyroid hormone related peptide (PTH rP)
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.
Unexplained hypercalcaemia, particularly in patients with known carcinomas.
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Not currently performed in house; this is a referred test. Patient must have had PTH measured before.
Record last updated
August 26, 2025
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Test Results
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Additional tests may be added by discussion with the relevant laboratory. The time limit for adding additional tests to a sample already received in the laboratory will depend on the type of sample and the department it was sent to.
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See the following UKAS ref numbers:
- Clinical Biochemistry Ref: 8673
- Haematology and Blood Transfusion Ref: 8674
- Infection & Immunity Sciences (Including Immunology, Virology, Microbiology and Histocompatibility and Immunogenetics ) Ref: 8659
- Cellular Pathology (Including Histopathology, Cytology and Molecular Pathology) Ref: 9615
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INSTRUCTION SHEET FOR BLOOD SAMPLE COLLECTION
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Our accreditations
Upholding excellence in diagnostic standards
Our laboratories are accredited by the UK Accreditation Service (UKAS) against the international standard ISO15189:2022. UKAS is the accreditation body for the UK that assesses medical laboratories.
Find out more about our accreditations on the UKAS website.
UKAS website