Calcitonin
Fasting Required: Yes 10-12 hours

Specimen: Blood

Lab: Quest Diagnostics

Results: 5-7 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Description: Calcitonin is a hormone that is produced in the parafollicular cells (commonly known as C-cells) of the thyroid gland. Calcitonin is involved in helping to regulate levels of calcium and phosphate in the blood, opposing the action of parathyroid hormone.

Alternate Names: Human Calcitonin, Thyrocalcitonin