drug_exposure
Standard Clinical Data Table
Table Columns
| field | type | required | phi | phi scrubbing operation |
|---|---|---|---|---|
| drug_exposure_id | INTEGER | Yes | Not Stable between Data Refreshes | |
| person_id | INTEGER | Yes | Sub | |
| drug_concept_id | INTEGER | Yes | ||
| drug_exposure_start_date | DATE | No | Yes | Jitter |
| drug_exposure_start_datetime | DATETIME | Yes | Yes | Jitter |
| drug_exposure_end_date | DATE | No | Yes | Jitter |
| drug_exposure_end_datetime | DATETIME | Yes | Yes | Jitter |
| verbatim_end_date | DATE | No | Yes | Jitter |
| drug_type_concept_id | INTEGER | Yes | ||
| stop_reason | STRING | No | ||
| refills | INTEGER | No | ||
| quantity | FLOAT | No | ||
| days_supply | INTEGER | No | ||
| sig | STRING | No | Yes | TiDE or Del |
| route_concept_id | INTEGER | Yes | ||
| lot_number | STRING | No | ||
| provider_id | INTEGER | No | Not Stable between Data Refreshes | |
| visit_occurrence_id | INTEGER | No | Not Stable between Data Refreshes | |
| visit_detail_id | INTEGER | No | Not Stable between Data Refreshes | |
| drug_source_value | STRING | No | ||
| drug_source_concept_id | INTEGER | Yes | ||
| route_source_value | STRING | No | ||
| dose_unit_source_value | STRING | No |
Columns Description
drug_exposure_id
A system-generated unique identifier for each Drug utilization event.
person_id
A foreign key identifier to the Person who is subjected to the Drug. The demographic details of that Person are stored in the PERSON table.
drug_concept_id
The standard concept_id belonging to the ‘Drug’ domain.that the drug_source_value maps to.
drug_exposure_start_date
The start date for the current instance of Drug utilization. Valid entries include a start date of a prescription, the date a prescription was filled, or the date on which a Drug administration procedure was recorded.
drug_exposure_start_datetime
The start date and time for the current instance of Drug utilization. Valid entries include a start datetime of a prescription, the date and time a prescription was filled, or the date and time on which a Drug administration procedure was recorded.
drug_exposure_end_date
The end date for the current instance of Drug utilization. Depending on different sources, it could be a known or an inferred date and denotes the last day at which the patient was still exposed to Drug.
drug_exposure_end_datetime
The end date and time for the current instance of Drug utilization. Depending on different sources, it could be a known or an inferred date and time and denotes the last day at which the patient was still exposed to Drug.
verbatim_end_date
The known end date of a drug_exposure as provided by the source.
drug_type_concept_id
The type_concept_id can be used to delineate between prescriptions written vs. prescriptions dispensed vs. medication history vs. patient-reported exposure, etc.
stop_reason
The reason the Drug was stopped. Reasons include regimen completed, changed, removed, etc.
refills
This is only filled in when the record is coming from a prescription written. This field is meant to represent intended refills at time of the prescription.
quantity
The quantity of drug as recorded in the original prescription or dispensing record.
days_supply
The number of days of supply of the medication as prescribed. This reflects the intention of the provider for the length of exposure.
sig
This is the verbatim instruction for the drug as written by the provider.
route_concept_id
A foreign key that refers to a Standard Concept identifier in the Standardized Vocabularies reflecting the route of administration and belonging to the ‘Route’ domain.
lot_number
An identifier assigned to a particular quantity or lot of Drug product from the manufacturer.
provider_id
The Provider associated with drug record, e.g. the provider who wrote the prescription or the provider who administered the drug.
visit_occurrence_id
The Visit during which the drug was prescribed, administered or dispensed.
visit_detail_id
A foreign key to the Visit Detail in the VISIT_DETAIL table during which the Drug Exposure was initiated.
drug_source_value
The source code for the Drug as it appears in the source data. This code is mapped to a Standard Drug concept in the Standardized Vocabularies and the original code is, stored here for reference.
drug_source_concept_id
A foreign key to a Drug Concept that refers to the code used in the source.
route_source_value
The information about the route of administration as detailed in the source.
dose_unit_source_value
The information about the dose unit as detailed in the source.