How to populate drug_exposure_start_date

[burrowse]

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

• 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
• generally, the date the drug was ordered

Related links

• CDM Documentation: https://ohdsi.github.io/CommonDataModel/cdm54.html#drug_exposure

[MaximMoinat]

Issue # and location

Themis issue #110

Issue summary

If drug exposure records come from multiple sources (e.g. prescriptions, administrations), which date should be used as the drug_exposure_start_date?

Convention type

Table

CDM table

drug_exposure

CDM field

drug_exposure_start_date

Links to issue discussion

CDM Documentation

Provenance of data

EHR

The ratified convention

• For prescriptions take the date the prescription was filled
• For administrations take the date the drug administration was recorded
• In general, the date the drug was ordered

Date of ratification/published

NA

Downstream implications

NA

Link to DQD check

No

Related conventions/further information

NA

#Tags drug_exposure, start_date, prescription, administration, medication