CSCR-065 Make conjunctionCode 0..1 optional on precondition

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Submitted by: Rik Smithies	Revision date: 19-Jun-2006
Submitted date: 19-Jun-2006	Change request ID: CSCR-065

Issue

Precondition off ObservationRange and also off Criterion have conjunctionCode – [0..1] Required.

Some models have no use case for "condition links" between these acts and so never need to use conjunctionCode.

Since it is Required models cannot be Clinical Statement compliant without supporting this.

This is very similar to the previously agreed CSCR-048

Recommendation

• Relax these attributes to be 0..1 Optional.

Rationale

This means the attributes can be refined out completely in models that don't need them.

Discussion

24 August 2006

This request was submitted so as to align Clinical Statement with the Lab model. Patrick agreed that Lab should revisit their model with respect to the use of conjunctionCode where there was a cardinality of greater than 1 on a condition or precondition. The request should be put on hold for the outcome of the Lab discussion.

Resolution

Lab Sig have said (Patrick Loyd, 14-Sep-06) that they will add conjunctionCode to their models. Hence they will comply with current Clinical Statement and there is no need for Clinical Statement to change.

Hence this CR is withdrawn.