Calcitonin

Test Code
CALCITONIN(30742)

Quest Code
30742

CPT Codes
82308

Preferred Specimen
1 mL serum

Patient Preparation
Overnight fasting is preferred.

Minimum Volume
0.5 mL

Instructions
Spin to separate serum and transfer to plastic screw-cap vial. Split into 2 plastic vials before freezing. Freeze immediately and submit to laboratory frozen.

Transport Container
Plastic screw-cap vial

Specimen Stability
Room temperature: Unacceptable
Refrigerated: 24 hours
Frozen: 28 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis

Methodology
Immunoassay (IA)

Setup Schedule
Tue, Thu, Sat

Report Available
1 to 4 Day(s)

Limitations
Basal concentrations of >100 pg/mL have been found to have 100% positive predictive value for medullary thyroid cancer.  Lower concentrations may be observed in some patients with clinically apparent medullary thyroid cancer.

Reference Range
See Laboratory Report

Clinical Significance
Calcitonin concentration is increased in patients with medullary thyroid carcinoma. Calcitonin concentrations may be used to monitor disease.

Performing Laboratory
Quest Diagnostics Nichols Institute
27027 Tourney Road
Valencia, CA 91355-5386



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.