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Calcitonin is a hormone produced by special cells in the thyroid called C-cells. Calcitonin is involved in the regulation of calcium levels in the blood and inhibits bone breakdown (resorption).
The most prominent factor controlling calcitonin secretion is the blood concentration of ionized calcium. Elevated blood calcium levels strongly stimulate calcitonin secretion, and secretion is suppressed when calcium concentration falls below normal.
A calcitonin test provides additional information if there are symptoms of medullary thyroid cancer or a family history of this condition. Calcitonin also appears to be a valuable aid in the management of certain types of osteoporosis.
A 12-hour fast is required for this blood test. However, drink plenty of water and take your medications as prescribed.
The laboratory services are for informational purposes only. It is not the intention of National Diagnostics, Inc and Life Extension to provide specific medical advice but rather to provide users with information to better understand their health. Specific medical advice including diagnosis and treatment will not be provided. Always seek the advice of a trained health professional for medical advice, diagnosis or treatment.
Both the physician and the testing laboratory are independent contractors with whom National Diagnostics, Inc makes arrangements for your blood tests. Neither National Diagnostics, Inc or Life Extension will be liable for any acts or omissions of the physician, the testing laboratory, or their agents or employees.