| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| LUL | left upper eyelid; left upper limb; left upper lobe; left upper lung |
| RUL | right upper eyelid; right upper lateral; right upper limb; right upper lobe |
| 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; ... |