Date (and time if applicable and known) of the participant's/subject's last use of an unprescribed, controlled psychoactive drugs or substances used by the participant/subject.
Registration Status:
Qualified
Permissible Values:
Data Type:
Date
Unit of Measure:
Ids:
Value
Code Name
Code
Code System
Code Description
Designations:
Designation:
Drug or substance last illicit use date and time
Tags:
Designations:
Definition:
Date (and time if applicable and known) of the participant's/subject's last use of an unprescribed, controlled psychoactive drugs or substances used by the participant/subject.