So does ‘Present on admission’ mean that a patient was diagnosed with a disorder before the admission or on it? It does matter and here’s why:
If it’s an underlying condition/trauma/etc. Then we can’t use this date of diagnosis for specifying the onset date of this disorder. Moreover, it looks like history of a disorder…
This makes me wonder how you would use this status_concept_id in your study. What will be the use case?