Kodjin FHIR Server

CRUD REST API

100% specification coverage

• read (GET by id)
• vread (versioned GET)
• Update: both regular and conditional update
• patch
• Delete: support of both support and hard delete (including history) to meet GDPR/HIPAA requirements
• create
• $validate (Operation to validate the resource without saving)
• $snapshot
• FHIR subscriptions with usage of event-streaming queue engine (on top of Kafka)
• Patient $everything
• Full support of profile extensions

Search

• GET
•  POST
•   _include, _revinclude
•  sorting
•  links
•  compartment search

Support for all defined standard FHIR search parameters

Extra features:

• Declarative search framework and support for custom search parameters by adding SPs to the custom extensions.
• Support of cursor and two types of offset paginations
• UCUM is a code system intended to include all units of measure contemporarily used in international science, engineering, and business. It provides a clear means of communication between different systems. UCUM works with metric as well as empirical units such as feet and inches.

CapabilityStatement

Auto-generated capability statement with all supported profiles and search parameters

Transaction/Batch

Transaction

• Asynchronous Transaction
• Synchronous Transaction 
  

Batch

• Asynchronous Batch
• Synchronous Batch

Versioning of the resources

Creation and management of multiple product releases, all of which have the same general function but are improved, upgraded, or customized

Dynamic profiling with advanced validation

• Structure: Check that all the content in the resource follows the structure from the target profile and nothing extra is present.
• Cardinality: Check that the cardinality of all properties follows the profile (min. & max.).
• Binding: Check that codes provided in the code/Coding/Codeable Concept types exist in the bound terminology.
• FHIRPath: Check that all FHIRPath constraints in the profile aren’t restricted. The FHIRPath spec is extended with custom callbacks. (Full support for FHIRPath in validations)
• Slicing: Check that the restrictions on the list of elements follow the profile.

Terminology

TerminologyCapabilities

CodeSystem

• CRUD
• Operations

ValueSet

• $expand
• $validateCode

ConceptMap

SNOMED / LOINC support

FHIR Bulk

• Bulk Export: To speed up processing, we do not go through the entire database; we already have denormalized records.
• Bulk Import: for importing a lot of data

FHIR Subscriptions

The client can subscribe to any resource change and receive notifications.

Composition

Composition $document: Create documents that meet the needs of a business and help fulfill business requirements.

Pluggable security module supporting OAuth 2.0, OpenID

Any tool can be easily connected to ensure the control function.

Ory Hydra and Keycloak are supported out of the box.

SMART on FHIR

Support of SMART on FHIR: standalone app launch and backend services

Multitenancy

A single software instance can serve multiple, distinct user groups.

Technology stack

Infrastructure as Code (IaC) approach: managing and provisioning infrastructure through code instead of through manual processes

Kodjin stack:

• Databases: MongoDB, PostgreSQL.
• Administrative tools: GitHub, GitLab
• CI/CD: Kubernetes
• Automated deployment to AWS, GCP, Azure, and on-premises
• Advanced monitoring with Prometheus, Kibana, and Grafana