| PMI | pain management inventory; past medical illness; patient medication instruction; perioperative myoca... |
|---|---|
| APACHE | Acute Physiology and Chronic Health Evaluation [severity-of-illness index] |
| CSI | calculus surface index; cancer serum index; cavernous sinus infiltration; cervical spine injury; che... |
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
| SOI | severity of illness |