| Name | ht_hes |
| Chapter | Circulatory disease/Hypertension |
| Definition | Hypertension diagnosis recorded in secondary care. |
| Data Type | Categorical |
| Data sources | HES |
| Dictionaries | ICD 10 |
| Repeated | Yes |
| Valid event date range | 01/01/1996 - 31/08/2010 |
| Agreed | 20/03/2013 (Revision 1) |
| Category | Definition |
| 3 | Hypertension |
| 4 | Secondary hypertension |
| Implementation | Category assigned based on coding list. |
| Codelist version | 1 |
| Codelist authors | Julie George, Emily Herrett |
| Creation date | 20 Mar 2013 |
| Category (code) | ICD10 code | ICD10 term | |
|---|---|---|---|
| Hypertension (3) | I10 | Essential (primary) hypertension | |
| Hypertension (3) | I11 | Hypertensive heart disease | |
| Hypertension (3) | I12 | Hypertensive renal disease | |
| Hypertension (3) | I13 | Hypertensive heart and renal disease | |
| Secondary hypertension (4) | I15 | Secondary hypertension |