| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Calcitonin
Test CodeCALTN
Alias/See Also
LAB519
CPT Codes
<p>82308</p>
Preferred Specimen
Specimen Type: Serum
Collection Container/Type
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
- Spin to separate serum and transfer to plastic screw-cap vial.
- Freeze immediately and submit to laboratory frozen.
Patient Preparation
Overnight fasting is preferred
Minimum Volume
0.5 mL
Instructions
Spin to separate serum and transfer to plastic screw-cap vial. Freeze immediately and submit to laboratory frozen.
Transport Container
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 24 jpurs
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: 1-2 days
Report Available
1 day
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 14225 Newbrook Drive Chantilly, VA 20153
Last Updated: February 17, 2023