# 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: URG.High
This is implemented as described in ISO 21090. ## Specializes ## URG ## Attributes
Name | Data type | Occurs | Description
--- | --- | --- | ---
high | T | 1..1 | This is implemented as described in ISO 21090.
highClosed | Boolean | 1..1 | This is implemented as described in ISO 21090.
low | T | 1..1 | This is implemented as described in ISO 21090.
lowClosed | Boolean | 1..1 | This is implemented as described in ISO 21090.
## Constraints
Type | Name | Specification
--- | --- | ---
high | Invariant | inv: isNotNull implies high.isNotNull and highClosed
low | Invariant | inv: low.oclIsUndefined and lowClosed.oclIsUndefined
## Reference Model Type ##