EDI 837 to FHIR Data Mapping

The following table demonstrates what transaction segment is used to create a corresponding FHIR resource.

FHIR Resource	837P	Details
Patient	Loop 2010BA for Subscriber Loop 2010CA for Dependent
RelatedPerson	Loop 2010CA	Only when a patient is Dependent.
Coverage	-	Refers to a Patient and RelatedPerson when a patient is Dependent.
Claim	Loop 2300
Organization (type=ins)	Loop 2010BB	Defines a type of Organization. XES Module for FHIR supports only two types: ins – insurer prov - provider
Organization (type=prov) Practitioner	Loop 2000A	Defines a type of Organization. XES Module for FHIR supports only two types: ins – insurer prov - provider
Communication	ISA segment Loop 1000A Loop 1000B	Carries envelope information, such as SenderID and ReceiverID, and an EDI 837 as a blob.