UCB (umbilical cord blood)

UCC (urgent care center)

UCC (urothelial cell carcinoma)

UCG (urinary chorionic gonadotropin)

UCL (ulnar collateral ligament)

UCTD (undifferentiated connective tissue disease)

UD (unit dose)

UD (ulnar deviation)

UDAB (urine drugs of abuse)

UE (upper extremity)