| AITT | arginine insulin tolerance test; augmented insulin tolerance test |
|---|---|
| IRI | immunoreactive insulin; insulin resistance index |
| IRS | immunoreactive secretion; infrared spectrophotometry; insulin receptor species; insulin receptor sub... |
| IST | inappropriate sinus tachycardia; insulin sensitivity test; insulin shock therapy; International Soci... |
| GBI | globulin-binding insulin |