FHIR (Fast Healthcare Interoperability Resources)
Tags: fhir, healthcare, database, programming
Published: 2022-12-09 21:31:19

FHIR (Fast Healthcare Interoperability Resources) is a standard for exchanging healthcare information electronically. It provides a set of interoperability specifications that enable the exchange of electronic health records (EHR) between different healthcare systems. The goal of FHIR is to improve the efficiency and effectiveness of healthcare by enabling the secure and reliable exchange of data between organizations and individuals. FHIR is designed to be flexible and extensible, allowing for the development of a wide range of applications and tools that can support various healthcare use cases.

## Example of FHIR Record

```
{
  "resourceType": "Patient",
  "id": "12345",
  "name": [
    {
      "use": "official",
      "family": "Smith",
      "given": [
        "John",
        "Doe"
      ]
    }
  ],
  "gender": "male",
  "birthDate": "1970-01-01",
  "address": [
    {
      "use": "home",
      "line": [
        "123 Main St"
      ],
      "city": "Boston",
      "state": "MA",
      "postalCode": "02101"
    }
  ],
  "telecom": [
    {
      "system": "phone",
      "value": "+1 (555) 555-5555"
    }
  ]
}

```

In this example, the Patient resource contains information about the patient's name, gender, date of birth, address, and phone number. This resource could be used to exchange patient information between different healthcare systems.


## How is FHIR data records exchanged?

FHIR (Fast Healthcare Interoperability Resources) records are exchanged using a RESTful API. This means that the records are transferred using the HTTP protocol, and they are represented in a format called JSON (JavaScript Object Notation) or XML (Extensible Markup Language).

To exchange FHIR records, one system (such as an electronic health record system) will make an HTTP request to another system (such as a patient portal), using one of the FHIR API endpoints. The request will contain the FHIR record, along with any additional metadata or parameters required to process the request. The receiving system will then process the request and return a response, which may include a status code, additional data, or an error message.

FHIR uses a set of standard API endpoints, such as /Patient for Patient resources and /Observation for Observation resources. These endpoints specify the type of resource being exchanged and the HTTP method used (e.g. GET, POST, PUT, DELETE) to indicate the intended action. This allows systems to communicate with each other in a consistent and predictable manner, making it easier to exchange FHIR records between different systems.

## What is the standard of a FHIR record ? 

FHIR (Fast Healthcare Interoperability Resources) is not a data format, but rather a set of interoperability specifications for exchanging healthcare information electronically. FHIR defines a set of resources that represent common clinical and administrative data, such as patients, observations, and medications.  However, FHIR does not specify the exact format of the data that is exchanged. Instead, it allows for the use of different data formats, such as JSON (JavaScript Object Notation) or XML (Extensible Markup Language). 

This flexibility allows FHIR to be used with a wide range of systems and technologies, making it more widely applicable in the healthcare industry. 



Overall, while FHIR is not a data format, it does provide a standard set of interoperability specifications that can be used to exchange healthcare data in a consistent and predictable manner. This can help to improve the efficiency and effectiveness of healthcare by enabling the secure and reliable exchange of data between organizations and individuals.