# Logical Record Architecture for Health and Social Care
## Discharge Summary Release 0.02

Contents
The content of this release is not comprehensive and is not fully validated and must not be used in live system implementations.
# Reference Model Class: AD.Part.Nhs
A LRA-specific extension of the general set of ISO 21090 defined address parts to support NHS formatted address structures defined by: NPfIT MIM Datatypes Implementation Manual; and NHS Data Model and Dictionary. ## Specializes ## AD.Part ## Attributes
Name | Data type | Occurs | Description
--- | --- | --- | ---
addressKey | ADXP.ADDRK | 0..1 | A unique identifier keyed to Royal Mail Postal Address File (PAF) Directory. This address part supports logical representation of: NHS Data Model and Dictionary ADDRESS class attribute ADDRESS STRUCTURED; and NPfIT MIM Address fully structured data type flavors address key element.
buildingIdentifier | ADXP.BI | 0..1 | The building identifier. This address part supports logical representation of: NHS Data Model and Dictionary ADDRESS STRUCTURED class attribute BUILDING NAME and NPfIT MIM Address fully structured data type flavors building identifier element.
desc | ADXP.DESC | 0..1 | Textual description of the usage of a temporary address.
locality | ADXP.LCY | 0..1 | The locality. This address part supports logical representation of: NHS Data Model and Dictionary ADDRESS STRUCTURED class attribute DEPENDENT LOCALITY; and NPfIT MIM Address fully structured data type flavors locality element.
town | ADXP.TN | 0..1 | The post town. This address part supports logical representation of: NHS Data Model and Dictionary ADDRESS STRUCTURED class attribute POST TOWN; and NPfIT MIM Address fully structured data type flavors town element.
gridReference | ADXP.GRD | 0..1 | A grid reference. This address part supports logical representation of: NHS Data Model and Dictionary ADDRESS class attribute GRID REFERENCE.
doubleDependentLocality | ADXP.LCY2 | 0..1 | A grid reference. This address part supports logical representation of: NHS Data Model and Dictionary ADDRESS STRUCTURED class attribute DOUBLE DEPENDENT LOCALITY.