Common-Data-Model

See full CDM specification file on our Wiki or in the CDM V5 PDF

Release Notes

This version is bases on this CDM working group proposal. The proposed and accepted changes include adding a datetime field to every table that had a date column. These were the new columns added:

PERSON
birth_datetime, not required

SPECIMEN
specimen_datetime, not required

DEATH
death_datetime, not required

VISIT_OCCURRENCE
visit_start_datetime, not required visit_end_datetime, not required

PROCEDURE_OCCURRENCE
procedure_datetime, not required

DRUG_EXPOSURE
drug_exposure_start_datetime, not required drug_exposure_end_datetime, not required

DEVICE_EXPOSURE
device_exposure_start_datetime, not required device_exposure_end_datetime, not required

CONDITION_OCCURRENCE
condition_start_datetime, not required condition_end_datetime, not required

MEASUREMENT
measurement_datetime as time, not required

OBSERVATION
observation_datetime, not required

NOTE note_datetime, not required