| URC | upper rib cage; utilization review committee |
|---|---|
| URO | urology; uroporphyrin; uroporphyrinogen; utilization review organization |
| ANSI | American National Standards Institute |
| AFIP | Armed Forces Institute of Pathology |
| AHA | acetohydroxamic acid; acquired hemolytic anemia; acute hemolytic anemia; American Heart Association;... |