| HCO | Health Care Organization; 의료조직 = MCO; Medical Care Organization |
|---|---|
| MCO | Medical Care Organization; 의료조직 = HCO; Health Care Organization |
| ACC | accommodation; acetyl coenzyme A carboxylase; acinic cell carcinoma; acute care center; adenoid cyst... |
| ACG | accelerator globulin; alternative care grant; ambulatory care group; American College of Gastroenter... |
| ACU | acquired cold urticaria; acute care unit; agar colony-forming unit; ambulatory care unit |