| UAP | unlicensed assistive personnel; unstable angina pectoris; urinary acid phosphatase; urinary alkaline... |
|---|---|
| UCP | uncoupling protein; urinary coproporphyrin; urinary C-peptide |
| UTI | urinary tract infection; urinary trypsin inhibitor |
| Umax | maximum urinary osmolality |
| Dmax | maximum denaturation; maximum diameter |