Definition
A field generated to check a key that enables two or more records belonging to the same individual to be brought together. It is represented by a code consisting of the second, third and fifth characters of a person’s family name, the second and third letters of the person’s given name, the day, month and year when the person was born and the sex of the person, concatenated in that order.
Components
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Data Element ConceptRecord: Linkage key check
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Object ClassRecord
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PropertyLinkage key check
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Value DomainLinkage code 581 check
Representation
This representation is based on the value domain for this data element, more information is available at " Linkage code 581 check ".| Data Type | ALPHASTRING |
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| Format | X(20) |
| Maximum character length | 20 |
Comments
A generated field to check that the linkage key (which is designed to make it possible to count number of clients and services they received, without counting the same client more than once. It can also be used for linking to other related data collections. It is for statistical linkage purposes only, not for case management or the tracking of individual persons. This may be done using a range of identifiers and/or keys.)