Test Background Calcitonin is the principal tumour marker of medullary thyroid carcinoma (MTC). It is measured in diagnosis and monitoring of MTC and occasionally for diagnosis of other neuroendocrine tumours.
Clinical Indications Suspected MTC Monitoring of known MTC Monitoring of known MEN patients
Reference Range Male <11.8 ng/L
Females <4.8 ng/L
Sample Required Serum (red top) or SST (gold top)
Fasting sample recommended.
Rush to laboratory on ice
Sample Volume 2ml (minimum 400µl serum)
Turnaround Time 10 days