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Lab Dept:
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Chemistry
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Test Name:
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CALCITONIN, SERUM
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General Information
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Lab Order Codes:
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CALT
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Synonyms:
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Thyrocalcitonin
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CPT Codes:
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82308 - Calcitonin
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Test Includes:
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Calcitonin level reported in pg/mL.
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Logistics
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Test Indications:
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Diagnosis and follow-up of medullary thyroid carcinoma (MTC). Adjunct to diagnosis of multiple endocrine neoplasia type II (MENII) and familial medullary thyroid carcinoma (FMTC). Occasionally useful in the diagnosis and follow-up of islet cell tumors.
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Lab Testing Sections:
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Chemistry - Sendouts
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Referred to:
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Mayo Medical Laboratories (Test# 9160)
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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1 – 3 days, test set up Monday - Saturday
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Special Instructions:
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N/A
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Specimen
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Specimen Type:
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Whole blood
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Container:
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Red top (plain, no gel) tube
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Draw Volume:
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3 mL (Minimum: 1.2 mL) blood
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Processed Volume:
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0.8 mL (Minimum: 0.4 mL) serum
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Collection:
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Routine venipuncture
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Special Processing:
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Lab Staff: Centrifuge specimen, remove serum aliquot into a plastic screw-capped plastic vial. Store and ship at frozen temperatures. Forward promptly.
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Patient Preparation:
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None
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Sample Rejection:
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Warm specimens; mislabeled specimens or unlabeled specimens
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Interpretive
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Reference Range:
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Basal
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Males:
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<16 pg/mL
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Females:
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<8 pg/mL
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Peak Calcium Infusion
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Males:
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≤130 pg/mL
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Females:
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≤90 pg/mL
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Critical Values:
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N/A
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Limitations:
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Not useful in evaluating metabolic diseases. Falsely elevated values may occur in serum from patients who have developed human antimouse antibodies (HAMA) or heterophilic antibodies.
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Methodology:
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Automated Immunochemiluminescence Assay by Immulite 2000 (ICMA)
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References:
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Mayo Medical Laboratories Web Page September 2010
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Updates:
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3/14/2004: Test moved from Esoterix to Mayo Medical Laboratories.
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6/13/2005: Method changed from ICMA by Nichols Diagnostics to ICMA by Diagnostics Products Corporation Immulite 2000.
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