The mappings provided in this tab are indicative of how HL7 v2 fields relate to HL7 FHIR attributes in this resource, but is not complete and without critical HL7 v2 context. The HL7 v2-FHIR Implementation guide, located here , provides additional guidance on transforming an HL7 v2 message to FHIR resources for FHIR R4 and FHIR R6.
Medication
identifier
code
RXO-1.1 Requested Give Code.code / RXE-2.1 Give Code.code / RXD-2.1 Dispense/Give Code.code / RXG-4.1 Give Code.code /RXA-5.1 Administered Code.code / RXC-2.1 Component Code
status
marketingAuthorizationHolder
doseForm
RXO-5 Requested Dosage Form / RXE-6 Give Dosage Form / RXD-6 Actual Dosage Form / RXG-8 Give Dosage Form / RXA-8 Administered Dosage Form
packageSize
numberOfItems
amountPerItem
ingredient
item
RXC-2 Component Code if medication: RXO-1 Requested Give Code / RXE-2 Give Code / RXD-2-Dispense Give Code / RXG-4 Give Code / RXA-5 Administered Code
isActive
role
strength[x]
RXC-3 Component Amount & RXC-4 Component Units if medication: RXO-2 Requested Give Amount - Minimum & RXO-4 Requested Give Units / RXO-3 Requested Give Amount - Maximum & RXO-4 Requested Give Units / RXO-11 Requested Dispense Amount & RXO-12 Requested Dispense Units / RXE-3 Give Amount - Minimum & RXE-5 Give Units / RXE-4 Give Amount - Maximum & RXE-5 Give Units / RXE-10 Dispense Amount & RXE-10 Dispense Units
instance
identifier
lotNumber
RXA-15 Substance Lot Number / RXG-19 Substance Lot Number
expirationDate
RXA-16 Substance Expiration Date / RXG-20 Substance Expiration Date