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HES Data Dictionary
| HES field name | Patient identifier (HES generated) - basis of match | ||||
|---|---|---|---|---|---|
| Field | matchid | ||||
| Class | System | ||||
| Length and format | 1n | ||||
| Availability | From 1997-98 | ||||
| Description | |||||
| This field indicates the basis on which the HES ID was allocated. | |||||
| Value | |||||
| - | |||||
| Data cleaning |
|
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