Test Code LAB515 Thyroglobulin Antibody (ATG), Plasma or Serum
Additional Codes
46560
Reporting Title
Thyroglobulin Antibody II
Methodology
Beckman Coulter DXI 800 Immunoassay
Useful in evaluating thyroid autoantibodies. ATG antibodies are present in 30% of Grave’s and 85% of Hashimoto’s disease patients.
Performing Laboratory
OhioHealth Laboratory Services-RMH Special Testing
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Serum
Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated.
Note:
1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.
2. Heterophile antibodies may interfere with this assay.
3. Moderate hemolysis will interfere.
4. Indicate serum on request form.
3. Label specimen appropriately (serum).
Alternate:
Plasma
Draw blood in a mint green-top (heparin) gel tube(s)
Spin down immediately and send 1 mL of heparinized plasma refrigerated.
Note: 1. Heterophile antibodies may interfere with this assay.
2. Moderate hemolysis will interfere.
3. Indicate plasma on request form.
4. Label specimen appropriately (plasma).
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum and Plasma | Refrigerated | 6 days |
Ambient | 24 hours | |
Frozen | Stable |
Specimen Transport Temperature
Refrigerate OK/Ambient OK/Frozen OK
Reference Values
0.0-3.9 IU/mL
Day(s) Test Set Up
Monday through Friday
Test Classification and CPT Coding
86800