Thyroxin binding globulin

Normal range of TBG or Thyroxin Binding Globulin 14-28 ng/liter (240-480 nmol/liter)

Differential Diagnosis
In alphabetical order.

Increased Decreased
 * Acute hepatitis
 * Acute intermittant porphyria
 * Biliary Cirrhosis
 * Chronic active hepatitis
 * Endocrine
 * Estrogen therapy
 * Estrogen producing tumors
 * Familial hyperthyroxinemia
 * Heroin
 * Hypothyroidism
 * Infection
 * Metabolic
 * Methadone
 * Newborns
 * Oral contraceptives
 * Perphenazine
 * Pregnancy
 * Tamoxifen
 * Acromegaly
 * Anabolic steroids
 * Androgens
 * Androgen producing tumor
 * Cachexia
 * Chronic liver disease
 * Cushing's Disease
 * Cirrhosis
 * Glucocorticoids
 * Hypothyroidism
 * L-asparaginase
 * Malnutrition
 * Nephrotic Syndrome
 * Obstructive Biliary Disease
 * Salicylates
 * Severe systemic illness
 * Surgical stress
 * Thyroid depressants