Calcitonin
Order Code:
CALCIT
Test Summary
Calcitonin concentration is increased in patients with medullary thyroid carcinoma. Calcitonin concentrations may be used to monitor disease.
Aliases
- N/A
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL frozen serum
Minimum Volume
0.5 mL
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
Storage
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: Unacceptable
- Frozen: 28 days
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.
Other Acceptable Specimens
N/A
Unacceptable Specimens
Gross hemolysis
Order Code
CALCIT
EPIC (Premier) Code
LAB076
Includes
N/A
CPT Code
- 82308
Billing Code
- 670617
CPT Statement
Methodology
Immunoassay (IA)
FDA Status
FDA Approved
Physician Attestation of Informed Consent
N/A
Testing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly VA, 20153
14225 Newbrook Drive
Chantilly VA, 20153
Department
Reference Testing
Reference Range
See Laboratory Report
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: 1 - 2 days
Specimen Collection
Special Instructions
N/A
Preferred Specimen
1 mL frozen serum
Minimum Volume
0.5 mL
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
Storage
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: Unacceptable
- Frozen: 28 days
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.
Other Acceptable Specimens
N/A
Unacceptable Specimens
Gross hemolysis
Result Information
Methodology
Immunoassay (IA)
Testing Laboratory
N/A
Reference Range
See Laboratory Report
Setup Schedule / Expected Turnaround Time
Monday - Saturday; Report available: 1 - 2 days