| CUD | cause undetermined; congenital urinary deformity |
|---|---|
| DU | decubitus ulcer; density unknown; deoxyuridine; dermal ulcer; diagnosis undetermined; diazouracil; d... |
| MGUS | monoclonal gammopathies of undetermined significance |
| UD | ulcerative dermatosis; ulnar deviation; undetermined; underdeveloped; unit dose; urethral dilatation... |
| UDO | undetermined origin |