| TEC | total electron count; total eosinophil count; total exchange capacity; transient erythroblastopenia ... |
|---|---|
| UAC | umbilical artery catheter |
| UC | ulcerative colitis; ultracentrifugal; umbilical cord; unchanged; unclassifiable; unconscious; undiff... |
| UVC | umbilical venous catheter |
| VVDL | venovenous double-lumen [catheter] |