Thyroglobulin by Immunoassay
| Sunquest Code: | TG | ||
| Epic Code: | LAB8134 | Epic Name: | Thyroglobulin by Immunoassay |
| Synonyms: | Thyroid | ||
| Methodology: | Chemiluminescent immunoassay | ||
| Turnaround Time: | Performed Mon-Fri; results are reported the same day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 0.8 mL |
| Minimum\Peds Volume: | 0.6 mL |
| Container: | Red or gold (gel) (Green (lithium heparin, no gel), Green (lithium heparin, gel), Green (sodium heparin, no gel), Red (no gel)) |
| Causes for Rejection: | Grossly hemolyzed or lipemic specimens |
| Contraindications: | Large doses of biotin (10 mg or more per day) may cause falsely decreased thyroglobulin levels as measured by the Immulite 2000 XPi. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 0.3 mL; 0.2 mL minimum. Store refrigerated. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | 7 days at room temperature or refrigerated; 2 months frozen. |
| Test Performed at or Referral Lab | Endocrine (UMMC-East Bank) |
Interpretive
| Reference Range: | Less than 55.0 ng/mL. |
| Use: | Follow-up of patients with differentiated thyroid cancers after thyroidectomy and radioactive iodine ablation. |
Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 6762"