Example: NHS England Digital weight management
NHS England Digital weight management this is describing a referral with a specific criteria and allows elaboration of ActivityDefinition. This is a pattern not seen with existing (digital) programmes and is more than likely present in actual workflows (probably in paper form). This may be a present in BARS https://digital.nhs.uk/developer/api-catalogue/booking-and-referral-fhir#api-Metadata-getMessageDefinition is suspiciously similar.
For example, weight management criteria states:
- You must be 18 or over.
- You must have a BMI greater than 30. The BMI threshold will be lowered to 27.5 for people from black, Asian, and ethnic minority backgrounds, as we know people from these ethnic backgrounds are at an increased risk of conditions such as Type 2 diabetes at a lower BMI.
- You must have diabetes, high blood pressure, or both.
- You must have a smartphone, tablet, or computer with internet access.
BARS has the following:
A receiver dictates what they need from a sender making a request and the MessageDefinition is the mechanism to support this.
Is a clear difference on target audience one is clinical and the other is technical (and unsure what clinical requirement this answers).