| RAIU | Radio-Active Iodine Uptake |
|---|---|
| AIIT | amiodarone-iodine-induced thyrotoxicosis |
| AIU | absolute iodine uptake; antigen-inducing unit |
| BEI | back-scattered electron imaging; biological exposure indexes; butanol-extractable iodine |
| BII | beat inclusion index; Billroth II [operation]; butanol-insoluble iodine |