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Thyroglobulin Level & Antibody
MessagePerforming Lab: Central Lab
Test Code
0800
Alias/See Also
Sunquest: THYGB
CPT Codes
84432; 86800
Includes
Thyroglobulin Level; Thyroglobulin Antibody Level
Preferred Specimen
1.0 mL Serum Separator (gold-top) tube
Minimum Volume
0.3 mL
Other Acceptable Specimens
Red, Red/Gray
Instructions
Processing:
Freeze within 48 hours of collection
Freeze within 48 hours of collection
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated: 48 hours
Frozen: 7 days
Frozen: 7 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Plasma is not an acceptable specimen type. Not frozen within 48 hours of collection
Methodology
Chemiluminescence
Setup Schedule
Monday, Wednesday and Thursday
Report Available
Same Day
Reference Range
Thyroglobulin: <=35 ng/mL
Thyroglobulin Antibody: <4 IU/mL
Thyroglobulin Antibody: <4 IU/mL
Clinical Significance
Thyroglobulin is present in the serum of normal healthy individuals and can be elevated in numerous disorders including Hashimoto’s disease, Graves’ disease, thyroid adenoma, subacute thyroiditis and thyroid carcinoma.
