| TCNS | transcutaneous nerve stimulation/stimulator |
|---|---|
| TENS | toxic epidermal necrolysis syndrome; transcutaneous electrical nerve stimulation |
| TMNST | tethered median nerve stress test |
| TNS | total nuclear score; transcutaneous nerve stimulation; tumor necrosis serum |
| UN | ulnar nerve; undernourished; unilateral neglect; urea nitrogen; urinary nitrogen |