For retrospective analysis, the sample collection timestamp is in most cases sufficient. For prospective analysis the charting timestamp is needed, to prevent data leakage.
OMOP CDM does not seem to define a field for that. Guidance for field names should be defined.
For retrospective analysis, the sample collection timestamp is in most cases sufficient. For prospective analysis the charting timestamp is needed, to prevent data leakage.
OMOP CDM does not seem to define a field for that. Guidance for field names should be defined.