Calcitonin concentration is increased in patients with medullary thyroid carcinoma. Calcitonin concentrations may be used to monitor disease.
Overnight Fasting preferred
1.0 mL Frozen Serum from a Red Top Tube in a Plastic Vial
1 month Frozen
Centrifuge and separate specimen immediately
Freeze immediately
0.5 mL
Please refer to interpretive results
Limitations: Basal concentrations of >100 pg/mL have been found to have 100% positive predictive value for medullary thyroid cancer. Lower concentrations may be observed in some patients with clinically apparent medullary thyroid cancer.
Calcitonin concentration is increased in patients with medullary thyroid carcinoma. Calcitonin concentrations may be used to monitor disease.
1 to 2 days
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