FHIR

April 18, 2025

How to upload StructureDefinition into Aidbox via FHIR API

StructureDefinition is a resource that describes the structure of other resources, including profiles, extensions, and data types.

April 17, 2025

How to upload IG from simplifier

Simplifier is a FHIR package registry that stores basic and custom FHIR packages.

April 10, 2025

How to build FHIR IG

FHIR IG (Implementation Guide) is a set of artifacts that describe the requirements for a FHIR server. For example, an IG may contain a set of rules, profiles, extensions, search parameters, and examples of FHIR resources.

4 min

How do we know where settings come from and how to prioritize them?

Source is an intuitive way to think about settings. They come from somewhere, be it a single place or many places.

Artyom Bologov

2 min

Fine-Grained Access Control

How can confidentiality of data be ensured and access to these data be controlled among system users, considering different access levels and data sensitivity?

Rostislav Antonov

Patient data access API

We often need to access data for a specific patient while ensuring that access is limited to them. This can be done by adding a patient reference search parameter to each request.

Rostislav Antonov

4 min

FHIR Built-in Search Parameters and Beyond Them

FHIR specification defines an HTTP interface to complex medical data, including "simple" patient info like the history of their statements, endorsements, observations and so on.

Alexandr Penskoi

FHIR Profiling: Slicing

The slicing mechanism enables the specification of requirements for array elements.

2 min

FHIR Profiling: Extensions

In FHIR, you can define a profile not only for a resource but also for an extension.

FHIR Profiling: Binding

Binding is used to define an allowed set of values for an element.

2 min

FHIR Profiling: FHIRPath Constraints

Constraint - a validation rule that is defined on a profile and described using the FHIRPath syntax.

FHIR Profiling: Changing Cardinality

One key function of profiles is to modify the cardinality of an element. A profile can restrict an element's cardinality within its base structure.

FHIR Profiling

The base FHIR specification outlines a set of fundamental resources utilized in various contexts within healthcare.

Extending FHIR Resources

The FHIR specification includes many resources that describe various medical data. Sometimes, however, the basic resources are insufficient to describe the data, and in such cases, FHIR provides the following mechanisms for extending the basic resources.

4 min

How to enable US Core IG

The FHIR US Core Implementation Guide (US Core IG) is a set of standardized profiles and guidelines based on HL7® FHIR® (Fast Healthcare Interoperability Resources) designed for the U.S. healthcare system.

Implementing Unique Constraints in Aidbox: Ensuring SSN Uniqueness

Your storage system must ensure that the SSN identifier is unique across all patient records. This means that if you try to create a new patient with an SSN and another patient with the same SSN already exists, the system will reject the request to prevent duplicate records.

How to use multilingual search

FHIR specifies the translation extension to store translations from the base language of a resource to other languages. In this post, we will cover how to search through resources by specifying the language.

November 8, 2024

SQL on FHIR in PostgreSQL

SQL on FHIR in PostgreSQL. Two types of SQL on FHIR View Runners - ETL (in-memory) & ELT (in-database) and demo the ELT implementation for PostgreSQL.

Nikolai Ryzhikov

September 10, 2024

Free FHIR tools to use | Free hl7 viewer

Discover top free FHIR tools that simplify integration without the cost. From building medical forms to validating FHIRPath, these tools help developers and healthcare teams boost data exchange - totally free!

September 19, 2024

Aidbox Subscriptions: A comprehensive overview of data integration, challenges, and solutions

Learn how subscriptions simplify data management with automated, event-driven workflows. They improve care coordination, decision-making, and streamline processes like data syncing and automation. Plus, Aidbox offers reliable, scalable solutions for both simple and high-load systems.

Marat Surmashev

8 min read

September 2, 2024

How to resolve FHIR SearchParameters conflicting codes

What is SearchParameter’s code? Which SearchParameters are available in the FHIR Server? Is it possible to have a clash of two different SearchParameters having the same code? How should this clash be resolved according to the FHIR specification? What to do in such situations in Aidbox?

Aleksandr Kislitsyn

August 26, 2024

What additional benefits do electronic forms offer, and why shouldn't they be confused with reports?

Discover the additional benefits electronic forms bring to medical workflows, and why they should be distinct from reports. In this article, I walk through creating a Wound Assessment form, showcasing how features like repeatable sections, image attachments, and conditional logic make electronic for

Maria Ryzhikova

‍Evgeny Mukha, Vasiliy Kupriakov

September 10, 2024

How to create custom resources in your FHIR server?

The FHIR R5 specification includes 157 resources, from common ones like Patient to specialized ones. But when your data doesn't fit any existing resource, you may need to create a custom type. This article explores 3 ways to create custom FHIR resources and weighs their pros and cons.

4 min read

July 8, 2024

Navigating the FHIR terminology data: Insights and challenges

We focused on the FHIR IG Registry as it offers a comprehensive dataset. By doing this, we aimed to identify the most pressing issues, challenges, and use cases we were likely to encounter.

Orlando Osorio

12 min read

June 3, 2024

4 ways to upload IGs to Aidbox: Pros and Cons

Explore all 4 possible ways to configure IGs in the Aidbox FHIR Platform. Dive into what, how, and why each method can fit your needs.

May 17, 2024

Create your component library and assemble forms like a Lego

Working with IT engineers, I've noticed a common trait: when faced with routine tasks, they seek ways to avoid them by creating libraries for reusing written code. Routine work consumes time and is prone to errors.

Maria Ryzhikova

Svetlana Golubeva, Max Putintsev

January 30, 2024

Topic-based Subscriptions: Top 5 use cases for digital health

Get up close with FHIR subscriptions, learn where and how you can apply them in the real world to maximize the benefits. Plus, there's a bonus at the end, so keep reading!

Mike Kulakov, Svetlana Golubeva

May 8, 2024

SQL on FHIR: An inside look at benefits and opportunities

What is SQL on FHIR and why is it perfect for working with large amounts of FHIR data? Capability to perform complex queries, such as join, filter, sort, and aggregate data, are among the many benefits it brings to digital health developers and data engineers.

Nikolai Ryzhikov, Pavel Suverov

July 8, 2024

How to design a multi-tenant FHIR API for an existing EHR system

Explore ways of cutting design costs using a multi-tenant FHIR API with SMART on FHIR support and comply with the 21st Century Cures Act for EHR systems on the fly.

Vlad Ganshin

7 min read

March 9, 2024

Master Patient Index and Record Linkage | MPI | Master Patient Index example

How to keep patient records consistent and complete

11 min read

March 2, 2023

HIPAA-compliant Aidbox instance synchronization

Do you have offices or clinics all over the world and want to collect statistical data in a single storage? In this article, we'll share our experiences in implementing HIPAA-compliant data synchronization across multiple Aidbox instances.

Paul Chayka, WaveAccess

9 min read

January 16, 2023

CMS compliance implementation

Are you facing the necessity of becoming CMS compliant? In this article, I would like to tell you about our experience making a US health plan’s legacy medical system CMS compliant.

Paul Chayka, WaveAccess

11 min read

August 27, 2018

The FHIR Guide for CTOs and technical leaders

Our CTO provides a brief technical overview of the HL7 FHIR Standard, from analysis of HL7 FHIR healthcare informational data model to potential use cases using FHIR APIs and potential limitations you should be aware of when planning to develop using FHIR standard.

Niquola Ryzhikov

7 min read

March 14, 2018

Using FHIR to Simplify Healthcare Application Development

FHIR standard simplifies the development process with out of the box healthcare data models, RESTful APIs and robust guidelines for integration with legacy healthcare data standards such as HL7 V2, CCD, and others.

7 min read

March 18, 2024

FHIR: What's great, what isn't so good, and what it's not built to do. Benefits of FHIR

Is FHIR U+1F525 the right choice for your healthcare data needs? Find out its pros, cons, and limitations. Dive into our analysis! In this post, we share the advantages of incorporating the FHIR standard in your health IT project and strategies to overcome the potential shortcomings effectively.

November 20, 2017

FHIR Success Story: Narus Health Connects Patients, Families and Providers

Digital health company Narus Health build two FHIR applications - a cloud electronic health record and a mobile application - to support employee health. Storing their healthcare data in a backend FHIR server and building with FHIR APIs significantly cut costs and time to market.

Anthony J. Chan

January 8, 2015

Choosing FHIR for Laboratory Integration

Deciding between which healthcare data standard to use can be hard. We evaluated whether HL7 v2, v3 & CDA, or FHIR is the best choice for a laboratory integration project. We found FHIR is the best choice because the FHIR API perfectly compliments the custom API of the laboratory system.

Niquola Ryzhikov

December 20, 2014

Start a Health IT project with the FHIR standard at your organization

Electronic health records systems have been great at capturing healthcare data, but remain difficult and expensive to customize. The new FHIR standard gives us ways to quickly build flexible, modern health systems at low costs with FHIR servers, FHIR APIs, and FHIR development tools.

5 min read

April 1, 2017

Accelerating Healthcare Innovation with HL7 FHIR

Digital health innovation drives patient engagement, lowers costs and improves the quality of care. Having a team of FHIR experts who understand electronic health records systems and know how to manage healthcare data the right way will help open the doors to innovation at your organization.