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, […]

Which FHIR Resources Actually Matter for EHR Integration

Which FHIR Resources Actually Matter for EHR Integration

FHIR defines 140+ resources but production EHR integrations touch a smaller set. Understanding which resources are the workhorse and which are edge-case avoids overinvesting in exotic resource support. Tier 1: Core clinical (must-have for any US integration) - Patient — identity, demographics - Encounter — visits and admissions - Observation — labs, vitals, notes - […]