Test ID: Z0290
CPT code: 82308
LOINC: 1992-7
Specimen Type: Red or SST
Frequency: 3 – 5 days
Instructions: 1 mL Serum from Red or SST, Frozen. Min 0.4 mL.
Text: Detection and confirmation of C-cell hyperplasia (the precursor of medullary carcinoma of thyroid) as well as a tumor marker for diagnosis & management of medullary carcinoma of the thyroid gland. Pre-Op serum calcitonin is reported to roughly correlate with tumor weight or extent of disease; therefore, Post-Op levels also have prognostic application.
Methodology: Immunochemiluminometric assay (ICMA)