Mainly of value in investigating cases of unusual binding proteins such as found in hyperthyroxinemic dysalbuminemia. Also helpful in delineating hyperthyroxinemia and hypothyroxinemia due to TBG alterations from those due to other causes.
MALES: 12 - 26 mcg/mL; FEMALES: 11 - 27 mcg/mL. Pediatric values are consistent with the adult reference range.
2 - 4 days
- TBG (Immunologic)
- TBG, Immunologic
- Thyroxine Binding Globulin
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.
Test sent to Mayo Medical Laboratories.