| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| AI | accidental injury; accidentally incurred; adiposity index; aggregation index; allergy and immunology... |
| CMI | carbohydrate metabolism index; care management integration; case mix index; cell-mediated immunity; ... |
| Ht | height of heart; heterozygote; hyperopia, total; hypothalamus |
| Hy | hypermetropia; hyperopia; hypophysis; hypothenar; hysteria |