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Drug exposure data may come from many sources (e.g. prescriptions, administrations) and there are often questions about what date should be used as the drug_exposure_start_date
The existing CDM documentation seems like it could be Themis convention language
Summary of answer
The CDM documentation contains information that valid dates could be the following depending on the source of your data
prescriptions: the start date of the prescription, the date the prescription as filled
administrations: the date the drug administration was recorded
How to populate drug_exposure_start_date
CDM or THEMIS convention?
Themis
Table or Field level?
Field
Is this a general convention?
No
Summary of issues
Summary of answer
The CDM documentation contains information that valid dates could be the following depending on the source of your data
Related links
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