| IBSA | iodinated bovine serum albumin |
|---|---|
| IFCS | inactivated fetal calf serum |
| IHS | idiopathic hypereosinophilic syndrome; inactivated horse serum; Indian Health Service; integrated he... |
| IHSA | iodinated human serum albumin |
| IRSA | idiopathic refractory sideroblastic anemia; iodinated rat serum albumin |