Thyroglobulin and Antibody Reflex
| Abbrev Code: | TGABR | ||
| Order Code: | LAB8142 | Order Name: | Thyroglobulin and Antibody Reflex |
| Synonyms: | Thyroid | ||
| Methodology: | Chemiluminescent immunoassay, High performance liquid chromatography, Tandem mass spectrometry | ||
| CPT Codes: | 86800 x1, 84432 x1, 84432 x1 | ||
| Test Includes: | Thyroglobulin and thyroglobulin antibody | ||
| Turnaround Time: | Performed Mon-Fri; results are reported in 1-9 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 3.5 mL |
| Minimum\Peds Volume: | 1.7 mL |
| Container: | Red or gold (gel) Alternate Containers: 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 1.25 mL; 0.75 mL minimum. Store refrigerated. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Test Performed at or Referral Lab | UM Specialty Core/Prot/Endo (Immulite H) |
Interpretive
| Reference Range: | By report. |
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