Serum thyroxine binding globulin; TBG level
If electrophoresis is used, normal values may range from 10 mg/100 mL - 24 mg/100 mL.
If radioimmunoassay is used, then a normal range is 1.3 - 2.0 mg/100 mL.
Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
Increased TBG levels may be due to:
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Source: ADAM Encyclopedia
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