What is it used for?A calcitonin test is most often used to:Help diagnose C-cell hyperplasia and medullary thyroid cancerFind out if treatment for medullary thyroid cancer is workingFind out if medullary thyroid cancer has returned after treatmentScreen people with a family history of multiple endocrine neoplasia type 2 (MEN 2). A family history of this disease can put you at a higher risk for developing medullary thyroid cancer.
