| UID | unique image identifier |
|---|---|
| FACES | unique facies, anorexia, cachexia, and eye and skin lesions [syndrome] |
| US | screen unsharpness ultrasonic, ultrasound; ultrasonography; unconditioned stimulus; unique sequence;... |
| LOINC | Laboratory Observation Identifier of Names and Codes [Consortium] |
| MRI | machine-readable identifier; magnetic resonance imaging; medical records information; Medical Resear... |