Eurofins Biomnis code

CALCD

Synonyms

• hCT
• TCT
• Thyrocalcitonin

Specialty

Biochemistry

Clinical significance

Polypeptide hormone synthesised by parafollicular thyroid cells (C cells) which should be considered as a completely differentiated and separate organ from the thyroid itself. Its secretion is stimulated by hypercalcaemia. It is a physiological parathormone inhibitor. Important marker of medullary thyroid cancer.

Preanalytics

• 1 mL :
• aspiration biopsy
•   FROZEN
• Freezing within 4 hours

• A tube specifically for this analysis : No

Further information

Freeze within 4 hours, only one freezing possible.
ATTENTION: interference possible in patients treated with biotin (vitamin B7, B8 or H) or taking any food supplement containing biotin. Essential to STOP treatment 8 days before taking the sample.

Methodology

Chemiluminescence

Turnaround time

2 days