FHIR $lastn-endpoint Implementation
Developed a FHIR R4-compliant $lastn-endpoint for a Laboratory
Information System (LIS) to enable standardized and secure exchange of laboratory results. The
endpoint supports query parameters like patient, category, and code, and adheres to
national healthcare standards.
FHIR R4
RESTful API
LOINC
SNOMED
UCUM
Key Features:
- Mapping of HL7 v2 data to FHIR Observation resources.
- Implementation of a centralized coding table for LOINC, SNOMED, and UCUM.
- Performance optimization to handle 500+ concurrent requests.
- Security measures including input validation and NEN 7513-compliant logging.
Challenges & Solutions:
- Prepared for future integration of authentication protocols like OAuth 2.0 and OpenID
Connect.
- Designed a scalable architecture with a dedicated Results Database for efficient data
retrieval.
- Addressed challenges in performer identification and patient data inclusion.