Imperial Collage Healthcare

Parathyroid hormone (PTH)


Test Background
PTH is a major contributor to regulation of circulating calcium. Primary hyperparathyroidism occurs due to adenoma/carcinoma or hyperplastic syndromes and leads to hypercalcaemia. Secondary hyperparathyroidism can occur in renal failure.


Clinical Indications

  • Suspected hyperparathyroidism or hypoparathyroidism
  • Differential diagnosis of hypercalcaemia
  • Differential diagnosis of bone disease
  • Assessment of parathyroid following surgical resection of the thyroid gland


Reference Range

1.1-6.8 pmol/L


Sample Required
EDTA (lavender top)


Sample Volume
0.5 mL


Turnaround Time
1 day


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