| HbA1c | Supporting Information | |
| Head And Neck Cancer Care Spell | Supporting Information | |
| HEADCOUNT (ORGANISATION CURRENT) | Data Element | |
| HEADCOUNT (POSITION ASSIGNMENT CURRENT) | Data Element | |
| HEADCOUNT STABILITY RATE (JOB ROLE IN REPORTING PERIOD) | Data Element | |
| HEADCOUNT STABILITY RATE (ORGANISATION IN REPORTING PERIOD) | Data Element | |
| HEADCOUNT STABILITY RATE (STAFF GROUP IN REPORTING PERIOD) | Data Element | |
| HEADCOUNT TURNOVER RATE (FTE IN REPORTING PERIOD) | Data Element | |
| HEADCOUNT TURNOVER RATE (ORGANISATION IN REPORTING PERIOD) | Data Element | |
| Health Authority | Supporting Information | |
| Health Care Provider | Supporting Information | |
| Healthcare Resource Group | Supporting Information | |
| HEALTHCARE RESOURCE GROUP CODE | Data Element | |
| HEALTHCARE RESOURCE GROUP CODE-VERSION NUMBER | Data Element | |
| Health Check Examination Date | Supporting Information | To top |
| HEALTH CHECK EXAMINATION DATE (retired) | Attribute | |
| Health of the Nation Outcome Scale (Working Age Adults) | Supporting Information | |
| Health Professions Council | Supporting Information | |
| Health Programme | Supporting Information | |
| HEALTH PROGRAMME | Class | |
| HEALTH PROGRAMME POPULATION | Class | |
| HEALTH PROGRAMME STAGE | Class | |
| HEALTH PROGRAMME STAGE NUMBER (HUMAN PAPILLOMAVIRUS VACCINE) | Data Element | |
| HEALTH PROGRAMME STATEMENT | Class | |
| HEALTH PROGRAMME TYPE | Attribute | |
| Health Promotion Programme | Supporting Information | |
| HEALTH PROMOTION PROGRAMME AIM | Attribute | |
| HEALTH PROMOTION STAFF GROUP | Attribute | |
| HEALTH PROMOTION TARGET GROUP | Attribute | |
| HEALTH PROMOTION TARGET GROUP SIZE | Attribute | To top |
| Health Promotion Target Population | Supporting Information | |
| Health Protection Agency | Supporting Information | |
| Health Psychologist | Supporting Information | |
| Health Solutions Wales | Supporting Information | |
| HEALTHY PERSON STAY | Class | |
| HEALTHY PERSON STAY END DATE | Attribute | |
| HEALTHY PERSON STAY NUMBER | Attribute | |
| HEALTHY PERSON STAY START DATE | Attribute | |
| HEALTHY PERSON STAY TYPE | Attribute | |
| Height | Supporting Information | |
| HELD OR CANCELLED | Attribute | |
| HES - CDS Data items cross referenced by HES Item - Table 2 | Data Set | |
| HES - CDS Data items cross referenced by HES Name - Table 1 | Data Set | |
| HES Cross Reference Tables Navigation | Supporting Information | |
| HIGH COST DRUGS (OPCS) | Data Element | To top |
| HIGH DEPENDENCY CARE LEVEL DAYS (retired) | Data Element | |
| HIGH DEPENDENCY CARE LEVEL DAYS (retired) | Attribute | |
| HIGH SECURITY PSYCHIATRIC ACCOMMODATION | Attribute | |
| HIP CEMENTING TECHNIQUE | Class | |
| HIP CEMENTING TECHNIQUE TYPE | Data Element | |
| HIP CEMENTING TECHNIQUE TYPE | Attribute | |
| HIP REPLACEMENT BONEGRAFT | Data Element | |
| HIP REPLACEMENT BONEGRAFT | Attribute | |
| Hip Replacement Surgery | Supporting Information | |
| HIP SURGERY INCISION TYPE | Attribute | |
| HIP SURGERY INCISION TYPE | Data Element | |
| HIP SURGERY PATIENT POSITION | Attribute | |
| HIP SURGERY PATIENT POSITION | Data Element | |
| HIP SURGERY TROCHANTER INDICATOR | Data Element | |
| HIP SURGERY TROCHANTER INDICATOR | Attribute | To top |
| HISTOLOGY (SNOMED) | Data Element | |
| Home Assessment Visit | Supporting Information | |
| Home Dialysis Episode | Supporting Information | |
| HOME HELP USE | Attribute | |
| Home Help Visit | Supporting Information | |
| HOME HELP VISIT INDICATOR | Data Element | |
| Home Leave | Supporting Information | |
| HOME TYPE | Attribute | |
| HONOS RATING (BEST IN LAST TWELVE MONTHS) | Data Element | |
| HONOS RATING (FIRST IN MHCS) | Data Element | |
| HONOS RATING (MOST RECENT IN MHCS) | Data Element | |
| HONOS RATING (WORST EVER RECORDED) | Data Element | |
| HONOS RATING DESCRIPTION | Attribute | |
| HONOS SCORE | Attribute | |
| HONOS SCORE DATE (BEST IN LAST TWELVE MONTHS) | Data Element | To top |
| HONOS SCORE DATE (FIRST IN MHCS) | Data Element | |
| HONOS SCORE DATE (MOST RECENT IN MHCS) | Data Element | |
| HONOS SCORE DATE (WORST EVER RECORDED) | Data Element | |
| HONOS SCORE FOR PERSON (retired) | Class | |
| Hospital | Supporting Information | |
| Hospital Bed | Supporting Information | |
| Hospital Episode Statistics | Supporting Information | |
| Hospital Episode Statistics (retired) | Supporting Information | |
| Hospital Episode Statistics Cross Reference Tables | Supporting Information | |
| Hospital Provider | Supporting Information | |
| Hospital Provider Spell | Supporting Information | |
| HOSPITAL PROVIDER SPELL NUMBER | Data Element | |
| Hospital Site | Supporting Information | |
| Hospital Stay | Supporting Information | |
| HOSPITAL STAYS LIST (MENTAL HEALTH) | Data Element | To top |
| HOURS WORKED IN PERIOD ON PROGRAMME | Attribute | |
| HOURS WORKED IN PERIOD ON SURVEY | Attribute | |
| HOURS WORKED IN PERIOD ON TREATMENT | Attribute | |
| HPV Immunisation Programme Vaccine Monitoring Annual Minimum Data Set | Data Set | |
| HPV Immunisation Programme Vaccine Monitoring Annual Minimum Data Set Overview | Supporting Information | |
| HPV Immunisation Programme Vaccine Monitoring Monthly Minimum Data Set | Data Set | |
| HPV Immunisation Programme Vaccine Monitoring Monthly Minimum Data Set Overview | Supporting Information | |
| HRG DOMINANT GROUPING VARIABLE-PROCEDURE | Data Element | |