| MSI | Multiple subcutaneous injection |
|---|---|
| AID | 1) Artificial Insemination Donor 2) Donor Artificial Insemination |
| A&A | aid and attendance; awake and aware |
| AB | abdominal; abnormal; abortion; Ace bandage; active bilaterally; aid to the blind; alcian blue; alert... |
| ADC | adult day care [facility]; affective disorders clinic; Aid to [Families with] Dependent Children; AI... |