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Calcitonin

Serum Calcitonin CT
Serum (SST) ng/L

About this test

Peptide hormone from parafollicular C cells of the thyroid. Tumour marker for medullary thyroid carcinoma (MTC). Essential in MEN2 screening.

Reference Ranges

Sex Age Range Notes
Female ≥ 18 yrs < 11.5 Female
Male ≥ 18 yrs < 18.2 Male

Clinical Interpretation

High / Increased
Medullary thyroid carcinoma, C-cell hyperplasia, renal failure (modest elevation).

Related Tests

Thyroglobulin
Specimen
Serum (SST)
Reporting Unit
ng/L
Category
🧪 Clinical Biochemistry

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.