| accid | accident, accidental |
|---|---|
| ADB | accidental death benefit |
| AH | abdominal hysterectomy; absorptive hypercalciuria; accidental hypothermia; acetohexamide; acid hydro... |
| AI | accidental injury; accidentally incurred; adiposity index; aggregation index; allergy and immunology... |
| NAI | net acid input; no accidental injury; no acute inflammation; nonadherence index |