| QI | quality improvement; quality indicator |
|---|---|
| qid | four times daily [Lat. quater in die] |
| QID, qid, q.i.d. | Quarter In Die; Four Times a Day; 하루 네번, 1일 4회(一日四回) |
| QIDN | Queen's Institute of District Nursing |
| QIN | quality improvement network |
| QIP | quality improvement project |