| ACU | acquired cold urticaria; acute care unit; agar colony-forming unit; ambulatory care unit |
|---|---|
| AHCA | Agency for Health Care Administration; American Health Care Association |
| CCRC | comprehensive care retirement community; continuing care retirement community |
| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; eme... |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |