Electronic Health Records (EHRs) are becoming increasingly popular in the healthcare industry. They provide a way for healthcare professionals to easily access and share patient information, making it easier to provide quality care. One of the challenges of EHRs is integration with other systems, such as billing or lab systems. This is where HL7 and FHIR come in.

Let’s Understand what is HL7 and FHIR?

HL7 (Health Level Seven) is a set of standards for exchanging healthcare information electronically. It is the most widely used standard in healthcare and has been around for over 30 years. HL7 defines a set of messages that can be used to exchange information between systems, and also defines a set of data types that can be used to represent that information.

FHIR (Fast Healthcare Interoperability Resources) is a newer standard that was developed to make it easier to exchange healthcare information between systems. FHIR is built on modern web technologies, such as RESTful web services and JSON. FHIR also makes use of HL7’s message and data type standards.

Why EHR integration is necessary?

 EHR integration is necessary because it enables access to healthcare data from healthcare systems. Seamless data exchange helps to streamline workflows and improve patient care. There are several reasons why EHR integration is essential in today’s healthcare industry:

1.       Improving Patient Care: EHR integration allows healthcare providers to access a patient’s medical history, lab results, and other critical information quickly. This information helps healthcare professionals make better-informed decisions and provide more accurate diagnoses and treatments. It also reduces the risk of errors that can result from manually entering or transcribing data.

2.       Enhancing Efficiency: EHR integration allows healthcare organizations to automate many tasks that were previously performed manually. For example, integrating EHRs with billing systems can reduce the amount of time spent on billing and claims management. This automation reduces the risk of errors and frees up staff time, allowing healthcare organizations to focus on providing quality care.

3.       Reducing Costs: EHR integration can help healthcare organizations reduce costs by automating tasks and improving efficiency. For example, integrating EHRs with inventory management systems can help reduce waste by ensuring that supplies are ordered and used only when needed.

4.       Facilitating Communication: EHR integration enables healthcare professionals to communicate more effectively with each other and with patients. For example, integrating EHRs with patient portals can allow patients to access their medical records, communicate with healthcare providers, and schedule appointments online.

5.       Meeting Regulatory Requirements: EHR integration is necessary to meet regulatory requirements such as HIPAA, which require healthcare organizations to protect patient information and ensure its privacy and security. EHR integration can help organizations meet these requirements by providing a standardized way to manage and exchange patient data.

In summary, EHR integration is essential for improving patient care, enhancing efficiency, reducing costs, facilitating communication, and meeting regulatory requirements. As healthcare continues to evolve, EHR integration will play an increasingly critical role in ensuring that patients receive the highest quality care possible.


Challenges in FHIR-EMR Implementation?

FHIR-EMR (Electronic Medical Record) implementation presents several challenges that need to be addressed to ensure successful integration.

1.       Data Standardization: One of the biggest challenges in FHIR-EMR implementation is standardizing the data. Since FHIR is a more flexible standard than other EHR integration standards, there is a risk of data inconsistency across different systems. Data standardization is crucial to ensure that data can be accessed and used accurately across all systems.

2.       Data Security: Another major challenge in FHIR-EMR implementation is ensuring the security of patient data. FHIR uses a RESTful API, which is more vulnerable to security threats than traditional EHR integration methods. Data encryption, access control, and other security measures must be implemented to prevent unauthorized access and data breaches.

3.       System Compatibility: FHIR-EMR implementation requires compatibility between different systems. However, not all EHR systems are designed to work with FHIR, and there may be compatibility issues that need to be addressed. This can cause delays and additional costs in the implementation process.

4.       Integration Complexity: FHIR-EMR integration requires significant technical expertise and can be a complex process. It requires mapping data between different systems, configuring APIs, and ensuring that data is correctly transmitted and received. This complexity can lead to delays and additional costs in the implementation process.

5.       Staff Training: FHIR-EMR implementation requires healthcare staff to be trained on how to use the new system. This can be a time-consuming process, and staff may require additional support during the transition period. Staff training is crucial to ensure that the system is used effectively, and that patient care is not compromised during the implementation process.

In summary, FHIR-EMR implementation presents several challenges, including data standardization, data security, system compatibility, integration complexity, and staff training. Addressing these challenges is essential to ensure successful integration and improve patient care.

EHR Integration using HL7.

HL7 is the most commonly used standard for EHR integration. HL7 messages are sent between systems using a variety of transport protocols, such as TCP/IP, FTP, and HTTP. HL7 messages can be used to exchange a wide range of healthcare information, such as patient demographics, clinical documents, lab results, and medication orders.

HL7 messages are made up of segments, which are like fields in a database. Each segment contains a set of fields, which contain the actual data. For example, the PID segment contains patient demographic information, such as name, address, and date of birth.

One of the challenges of HL7 integration is that different systems may use different versions of the standard or may have different interpretations of the standard. This can lead to compatibility issues and errors. To address this, HL7 has developed a set of conformance profiles that define how messages should be structured and interpreted.

EHR Integration using FHIR.

FHIR is a newer standard that is gaining popularity in the healthcare industry. FHIR is built on modern web technologies, such as RESTful web services and JSON. This makes it easier to integrate with other systems, such as mobile apps and web portals.

FHIR defines a set of resources that can be used to represent healthcare information, such as patients, observations, medications, and clinical documents. Each resource is identified by a unique URL, and can be accessed using HTTP GET, PUT, POST, and DELETE methods.

FHIR also defines a set of operations that can be performed on resources, such as search, read, create, update, and delete. FHIR makes use of a set of standard query parameters, which can be used to filter and sort resources.

One of the benefits of FHIR is that it is more flexible than HL7. FHIR allows for more granular data representation, meaning that specific data points can be accessed more easily. This makes it easier to integrate with other systems, such as wearables and IoT devices.


Integrating EHR using FHIR standards is necessary to provide the best patient care and experience in an increasingly digitized world.

KPi-Tech Services is ready to assist your organization in creating HL7 FHIR integration and making the entire process easier by providing ready-made assets, converters, and libraries. We have expertise in working with a broad range of technologies and a significant list of satisfied healthcare clients.


Do not hesitate to contact us if you want to take that step toward HL7 integration and interoperability in your organization. Visit- www.kpitechservices.com