Table 1.

Alignment of MENDS, FHIR R4, and OMOP data models.

MENDS data domain	FHIR R4 resource(s) required	OMOP CDM V5.3 table(s) used
Patient	Patient	Person, Location, Death, Concept
Encounter	Encounter	Visit_Occurrence, Concept
	Condition	Condition_Occurrence, Concept
	Coverage	Payer_Plan_Period, Concept
	Observation (all)	Observation, Concept
Prescription	MedicationAdmininstration	Drug_Exposure, Drug_Strength, Concept
	MedicationDispense
	MedicationRequest
	Medication
Lab Result	Observation (laboratory)	Measurement, Concept
Social History	Observation (non-smoking) Observation (smoking)	Observation, Concept
Immunization	Immunization	Drug_Exposure, Drug_Strength, Concept