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.
Suspected MTC Monitoring of known MTC Monitoring of known MEN patients
|Male <11.8 ng/L
Females <4.8 ng/L
Serum (red top) or SST (gold top)
Fasting sample recommended.
Rush to laboratory on ice
2ml (minimum 400µl serum)