| Waist Measurement | Supporting Information | |
| WAIST MEASUREMENT | Data Element | |
| WAITING FOR ADMISSION INTENDED MANAGEMENT (retired) | Data Element | |
| WAITING LIST | Class | |
| WAITING LIST DIAGNOSTIC TESTS DONE | Data Element | |
| WAITING LIST ENTRY LAST REVIEWED DATE | Data Element | |
| WAITING LIST ENTRY LAST REVIEWED DATE STATUS | Data Element | |
| WAITING LIST IDENTIFIER | Attribute | |
| WAITING LIST TYPE | Attribute | |
| WAITING PERIOD EXCLUSION | Attribute | |
| WAITING TIME ADJUSTMENT (DECISION TO TREAT) (retired) | Data Element | |
| WAITING TIME ADJUSTMENT (FIRST SEEN) | Data Element | |
| WAITING TIME ADJUSTMENT (TREATMENT) | Data Element | |
| WAITING TIME ADJUSTMENT REASON | Attribute | |
| WAITING TIME ADJUSTMENT REASON (DECISION TO TREAT) (retired) | Data Element | To top |
| WAITING TIME ADJUSTMENT REASON (FIRST SEEN) | Data Element | |
| WAITING TIME ADJUSTMENT REASON (TREATMENT) | Data Element | |
| WAITING TIME MEASUREMENT TYPE | Data Element | |
| WAITING TIME MEASUREMENT TYPE | Attribute | |
| WALKING UNIT | Attribute | |
| WALKING UNIT ADDITIONAL | Attribute | |
| WARD | Class | |
| Ward Attendance | Supporting Information | |
| WARD ATTENDANCE CDS TYPE (retired) | Data Set | |
| Ward Attender | Supporting Information | |
| WARD AVAILABLE BED (retired) | Attribute | |
| WARD BED AVAILABILITY (retired) | Class | |
| WARD CODE | Attribute | |
| WARD CODE | Data Element | |
| WARD DAY NIGHT INDICATOR | Attribute | To top |
| WARD DAY PERIOD AVAILABILITY | Data Element | |
| WARD DAY PERIOD AVAILABILITY | Attribute | |
| WARD DAY PERIOD AVAILABILITY CODE | Data Element | |
| WARD INTENDED BED USE | Class | |
| WARD LISTING DATE | Attribute | |
| WARD LISTING TIME | Attribute | |
| WARD LISTING TOTAL BED OCCUPIED | Attribute | |
| WARD LISTING TOTAL BED RESERVED | Attribute | |
| WARD LISTING TOTAL BED UNAVAILABLE | Attribute | |
| WARD LISTING TOTAL BED UNOCCUPIED | Attribute | |
| WARD LISTING TOTAL CONSULTANT TRANSFER | Attribute | |
| WARD LISTING TOTAL DAY CASE | Attribute | |
| WARD LISTING TOTAL DISCHARGE | Attribute | |
| WARD LISTING TOTAL WARD ATTENDER | Attribute | |
| WARD LISTING TOTAL WARD TRANSFER IN | Attribute | To top |
| WARD LISTING TOTAL WARD TRANSFER OUT | Attribute | |
| WARD NAME | Attribute | |
| WARD NIGHT PERIOD AVAILABILITY | Data Element | |
| WARD NIGHT PERIOD AVAILABILITY | Attribute | |
| WARD NIGHT PERIOD AVAILABILITY CODE | Data Element | |
| WARD OPERATIONAL PLAN | Class | |
| WARD OPERATIONAL PLAN END DATE | Attribute | |
| WARD OPERATIONAL PLAN START DATE | Attribute | |
| WARD PLAN TOTAL BED CONSULTANT CARE | Attribute | |
| WARD PLAN TOTAL BED MIDWIFE ACCESS | Attribute | |
| WARD PLAN TOTAL BED NURSING CARE | Attribute | |
| WARD SECURITY LEVEL | Attribute | |
| WARD SECURITY LEVEL | Data Element | |
| Ward Stay | Supporting Information | |
| WARD STAY TERMINATION REASON | Attribute | To top |
| WARD TOTAL ADMISSION | Attribute | |
| WARD TOTAL BED INTENDED | Attribute | |
| WARD TYPE AT PSYCHIATRIC CENSUS DATE | Data Element | |
| WARD TYPE AT START OF EPISODE | Data Element | |
| WARD TYPE DISCHARGED TO (NATIONAL NEONATAL DATA SET) | Data Element | |
| WARD TYPE DISCHARGED TO FOR NATIONAL NEONATAL DATA SET | Attribute | |
| WEEKLY ALCOHOL UNITS (MOTHER AT BOOKING) | Data Element | |
| WEEKLY HOURS WORKED | Data Element | |
| WEEKLY HOURS WORKED | Attribute | |
| Weight | Supporting Information | |
| Well Baby | Supporting Information | |
| What's New: January 2014 | Supporting Information | |
| What's New Help | Supporting Information | |
| WHITE BLOOD CELL COUNT | Data Element | |
| WHITE BLOOD CELL COUNT (HIGHEST PRETREATMENT) | Data Element | To top |
| WHITE BLOOD CELL COUNT (PERITONEAL FLUID) | Data Element | |
| WHOLE BLOOD MEAN CELL VOLUME (DIALYSIS) | Data Element | |
| WHOLE BLOOD MEAN CORPUSCULAR HAEMOGLOBIN (DIALYSIS) | Data Element | |
| WHOLE TUMOUR SIZE | Data Element | |
| Wilms Tumour Stage | Supporting Information | |
| WILMS TUMOUR STAGE | Data Element | |
| WILMS TUMOUR STAGE | Attribute | |
| WITHHELD IDENTITY REASON | Data Element | |
| WOMEN ATTENDED FOR ASSESSMENT TOTAL | Data Element | |
| WOMEN DEFINITELY MICRO-INVASIVE TOTAL | Data Element | |
| WOMEN INVASIVE STATUS NOT KNOWN TOTAL | Data Element | |
| WOMEN INVITED FOR ROUTINE SCREENING WITH TECHNICALLY ADEQUATE RESULT (PERCENTAGE OF INVITED) | Data Element | |
| WOMEN INVITED FOR SCREENING IN LAST THREE YEARS TOTAL (CALL AND RECALL) | Data Element | |
| WOMEN INVITED FOR SCREENING IN PERIOD TOTAL | Data Element | |
| WOMEN INVITED FOR SCREENING IN PERIOD TOTAL (CALL AND RECALL) | Data Element | To top |
| WOMEN INVITED TOTAL (OPEN BREAST SCREENING EPISODE) | Data Element | |
| WOMEN LOST TO FOLLOW-UP TOTAL (AFTER TECHNICALLY INADEQUATE SCREENING MAMMOGRAM) | Data Element | |
| WOMEN LYMPH NODES PATHOLOGY RESULT NEGATIVE TOTAL | Data Element | |
| WOMEN LYMPH NODES PATHOLOGY RESULT POSITIVE TOTAL | Data Element | |
| WOMEN LYMPH NODES PATHOLOGY RESULT UNKNOWN TOTAL | Data Element | |
| WOMEN NEVER SCREENED TOTAL (NOT SELECTED FOR SCREENING) | Data Element | |
| WOMEN NEVER SCREENED TOTAL (SELECTED FOR SCREENING) | Data Element | |
| WOMEN NON-INVASIVE OR POSSIBLY MICRO-INVASIVE TOTAL | Data Element | |
| WOMEN NOT INVITED TOTAL (OPEN BREAST SCREENING EPISODE) | Data Element | |
| WOMEN RECALL CEASED TOTAL (UPPER TIER LOCAL AUTHORITY) | Data Element | |
| WOMEN SCREENED IN LAST THREE YEARS TOTAL | Data Element | |
| WOMEN SCREENED IN LAST THREE YEARS TOTAL (CALL AND RECALL) | Data Element | |
| WOMEN SCREENED IN LAST THREE YEARS TOTAL (SELF AND GP REFERRALS) | Data Element | |
| WOMEN SCREENED IN PERIOD TOTAL | Data Element | |
| WOMEN SCREENED IN PERIOD TOTAL (CALL AND RECALL) | Data Element | To top |
| WOMEN SCREENED IN PERIOD TOTAL (SELF AND GP REFERRALS) | Data Element | |
| WOMEN SCREENED TOTAL (HIGH RISK EPISODE) | Data Element | |
| WOMEN SCREENED TOTAL (TECHNICALLY ADEQUATE) | Data Element | |
| WOMEN TOTAL (HIGH RISK EPISODE) | Data Element | |
| WOMEN WITH CANCER DIAGNOSED WITHOUT CYTOLOGY OR HISTOLOGY TOTAL | Data Element | |
| WOMEN WITH CANCER TOTAL | Data Element | |
| WOMEN WITH FIRST OFFERED APPOINTMENT WITHIN 36 MONTHS OF PREVIOUS SCREEN (PERCENTAGE) | Data Element | |
| Work and Social Adjustment Scale | Supporting Information | |
| WORK AND SOCIAL ADJUSTMENT SCALE SCORE | Data Element | |
| WORKPLACE SMOKING CESSATION SERVICE | Attribute | |
| World Health Organisation | Supporting Information | |
| WORLD HEALTH ORGANISATION CENTRAL NERVOUS SYSTEM TUMOUR GRADE | Data Element | |
| WORLD HEALTH ORGANISATION CENTRAL NERVOUS SYSTEM TUMOUR GRADE | Attribute | |
| WRITTEN COMPLAINT | Class | |
| WRITTEN COMPLAINT TYPE | Attribute | To top |
| WRITTEN REFERRAL REQUEST INDICATOR (retired) | Attribute | |