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thyroxine-binding globulin in serum/plasma

Indications: - thyroid disorders - hypothyroidism Reference interval: - 1.2 - 2.5 mg/dL (adult male) - 1.4 - 3.0 mg/dL (adult female) - higher levels in infants & children; 3.1 - 5.6 mg/dL (4-12 months of age) Methods: - radioimmunoassay Increases: - acute intermittent porphyria - hypothyroidism - liver disease - pregnancy Decreases: - acute illness - acromegaly - hyperthyroidism - malnutrition - nephrotic syndrome - stress from surgery

Related

thyroxine-binding globulin; Serpin A7; T4-binding globulin (SERPINA7, TBG)

General

thyroxine-binding globulin in serum/plasma/blood

References

  1. Medline Plus: Serum TBG level http://www.nlm.nih.gov/medlineplus/ency/article/003374.htm
  2. Clinical Guide to Laboratory Tests, 4th edition, HB Wu ed, WB Saunders, Philadelphia, 2006
  3. Thyroxine Binding Globulin Laboratory Test Directory ARUP: 70410

Component-of

thyroxine (T4)/thyroxine-binding globulin (TBG) in serum/plasma