| ACRF | ambulatory care research facility |
|---|---|
| AC/SIUG | ambulatory care special-interest user group |
| ACT | achievement through counseling and treatment; actin; actinomycin; activated clotting time; advanced ... |
| ADC | adult day care [facility]; affective disorders clinic; Aid to [Families with] Dependent Children; AI... |
| AFC | adult foster care; antibody-forming cell |