FHIR ServiceRequest for Order Entry: 4 Patterns EHR Vendors Ship

FHIR ServiceRequest for Order Entry: 4 Patterns EHR Vendors Ship

Order entry in FHIR uses the ServiceRequest resource, not MedicationRequest (that's for meds). Four patterns cover how EHR vendors implement clinical order workflows in 2026. Pattern 1: Single ServiceRequest per order. Simple lab orders and imaging orders map one-to-one with a single ServiceRequest. code identifies the test, subject is the Patient, requester is the Practitioner, […]