List of medical abbreviations: W
| Abbreviation | Meaning |
|---|---|
| WAIS-R | Wechsler adult intelligence scale revised |
| WAP | wandering atrial pacemaker (see multifocal atrial tachycardia) |
| WAS | Wiskott–Aldrich syndrome |
| WASP | Wiskott–Aldrich syndrome protein |
| WAT | white adipose tissue |
| WBAT | weight bearing as tolerated |
| WBC | white blood cell white blood cell count |
| WBI | whole bowel irrigation |
| WBRT | whole-brain radiotherapy treatment |
| WC | white cells |
| W/C | wheelchair |
| WD | well developed |
| WDL | within defined limits (as per hospital defined policy) |
| WH | well hydrated (not dehydrated or hyperhydrated) |
| WDWN | well developed and well nourished |
| WEE | Western equine encephalitis virus |
| WG | Wegener's granulomatosis |
| WISC-R | Wechsler intelligence scale for children revised |
| WLE | Wide local excision |
| WN | well nourished |
| WNL | within normal limits (also: we never looked) |
| W/O w/o |
without |
| WOI - without incident | |
| WPW | Wolff–Parkinson–White syndrome |
| WS | Waardenburg syndrome Warkany syndrome water-soluble Werner syndrome West syndrome Williams syndrome Wolfram syndrome |
| wt | weight (whether human weight or otherwise) |
| w/u | Workup |
| WWI | walking while intoxicated (ethanol or other drugs) World War I |