thyrotropin binding inhibitory immunoglobulin in serum (TBII)

Indications

• diagnosis & management of Graves disease
• neonatal hypothyroidism
• postpartum thyroid dysfunction

Clinical significance

• measures the ability of antibodies to inhibit TSH binding to its receptor
• reflects the presence of either or both the stimulatory & inhibitory immunoglobulin classes

More general terms

• serology

Additional terms

• anti-thyrotropin