Thyroglobulin by LC-MS/MS, Serum or Plasma
Also known as: THYROG MS
Use
This test is recommended for quantifying thyroglobulin in individuals with antithyroglobulin antibodies and aids in the surveillance of residual or recurrent thyroid cancer in individuals who have developed antibodies to thyroglobulin. It is not recommended for use as a general screening procedure to detect the presence of thyroid cancer in the general population.
Special Instructions
Results obtained with different test methods or kits cannot be used interchangeably. The test is performed on specific days of the week (Mon, Wed, Thu, Sat) and reported within 2-6 days.
Limitations
Thyroglobulin results, regardless of concentration, should not be interpreted as absolute evidence for the presence or absence of papillary or follicular thyroid cancer. This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration.
New York Approved
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 3013-0
Result Turnaround Time
2-6 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1.5 mL
Minimum Volume
0.7 mL
Container
Serum separator tube or green (sodium or lithium heparin), potassium EDTA
Collection Instructions
Separate serum or plasma from cells within 2 hours of collection.
Storage Instructions
Refrigerated or frozen.
Causes for Rejection
Samples left ambient for greater than 1 day; grossly lipemic samples.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 1 day |
| Refrigerated | 1 week |
| Frozen | 1 year |