In FHIR, the Observation resource has an “interpretation” field which supports marking something as abnormal
- https://www.hl7.org/fhir/observation-definitions.html#Observation.interpretation
- https://www.hl7.org/fhir/valueset-observation-interpretation.html
As discussed in the other thread that Bharat linked to, @burke is in favor of supporting this in the obs table.
So, one possible next step is for one of the Bahmni tech folks to propose the specific data model change we should make.