Calcitonin
Calcitonin is produced by the thyroid and lowers blood calcium. It is used as a marker in thyroid tumours.
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Normal ranges
Adults: up to 11.8 pg/mL.
Units: pg/mL
Causes of deviations
Low levels:
Usually has no meaning.
High levels:
Medullary thyroid cancer, kidney failure, some medicines.
When to see a doctor
If it is raised, discuss it with your doctor.
Related biomarkers
Panels
Thyroid panel
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