As healthcare sector is getting modern digital additions like healthcare interoperability, understanding common terms used in this process is essential. From EHR, HL7, and FHIR to middleware and APIs, the following guide simplifies the most important healthcare interoperability terms used in data exchange between medical devices and patient data storage systems.
Key Healthcare Interoperability Terms You Should Know #
Healthcare interoperability terms form the groundline of learning how devices, systems, and applications exchange and interpret data. Here’s your go-to guide of all key terms to explore:
EHR (Electronic Health Record) #
An EHR is a secure digital record of a patient’s complete medical history, including diagnoses, treatments, medications, lab results, and imaging. Designers built EHRs for interoperability, enabling care teams to access and update information in real time, which improves coordination, safety, and patient outcomes.
RIS (Radiology Information System) #
A radiology department uses an RIS to manage imaging procedures, scheduling, tracking, and reporting. It integrates with PACS and EHR systems, streamlining workflows, improving documentation, and facilitating communication between radiologists and other clinicians.
PACS (Picture Archiving and Communication System) #
PACS stores, retrieves, and shares digital medical images like X-rays and MRIs. It eliminates the need for film, provides fast, electronic access to imaging results, and supports more rapid diagnosis and care decisions across clinical teams.
HIS (Hospital Information System) #
HIS is an integrated software solution that manages a hospital’s clinical, administrative, and financial operations. It centralizes patient records, billing, lab data, and department workflows to improve efficiency and care delivery.
DICOM (Digital Imaging and Communications in Medicine) #
Healthcare teams commonly use DICOM as a key interoperability term when integrating data from medical devices into EMRs or EHRs. It is a standard format stores and transmits medical imaging data, including MRIs, CT scans, and X-rays.
API (Application Programming Interface) #
A tool that allows two software systems to exchange data securely in a structured format. APIs are critical in modern healthcare for device-to-EHR communication.
Middleware #
Software that connects medical devices to healthcare systems like EHRs. It acts as a translator, allowing data to flow between systems that otherwise wouldn’t “understand” each other.
HL7 (Health Level Seven) #
A widely adopted messaging standard that structures healthcare data for secure transmission between systems like EHRs, labs, and billing software.
FHIR (Fast Healthcare Interoperability Resources, “FIRE”) #
A newer healthcare standard developed by HL7. Built for the internet age, it enables secure, API-based data exchange using formats like JSON and XML.
CCD (Continuity of Care Document) #
Providers use a structured digital document to summarize a patient’s clinical information during care transitions.
Remote Monitoring #
Tracking medical device performance or patient metrics from a separate location is helpful for chronic care, home health, and multi-site operations.
Condition-Based Maintenance #
Healthcare teams analyze real-time device performance data to decide when servicing is needed, instead of following preset schedules
Error Logging #
Systems automatically record device errors to support diagnostics, ensure compliance, and identify recurring issues
Webhook #
A webhook is a way for one system to automatically send real-time data to another system when a specific event occurs. Unlike APIs that require regular polling for updates, webhooks “push” information immediately as soon as it’s available.
Webhooks are typically used to notify external systems of events such as:
- A new user signing up
- A payment being processed
- A file being uploaded
- A message being received
They send an HTTP POST request to a specified URL (called the webhook endpoint), carrying data about the event in real time.
Anomaly Detection #
Technology that identifies irregular or unexpected behavior in device performance — often a proactive indicator of upcoming failure.
Custom Alerts #
Configurable notifications that notify clinical or technical teams of abnormal conditions, such as overheating, disconnections, or threshold breaches.
Data Mapping #
Aligning and converting data fields from one system to another ensures that all information is in the correct place in the EHR.
HIE (Health Information Exchange) #
A secure platform or network that enables healthcare providers to share patient information across organizations, facilities, or systems.
Consent Management #
Tracking and enforcing patient permissions regarding what health data can be shared and with whom.
Interface Engine #
A core middleware component that processes and routes messages between systems. It ensures data is transformed, validated, and delivered to the right destination — often used to manage HL7 and FHIR message flows.
Data Normalization #
The process of converting incoming data from multiple sources into a standardized format so it can be stored or used consistently across systems.
Message Queuing #
A technique used in middleware systems to manage data traffic between systems. It ensures that messages are delivered in order, even during high-traffic periods or if one system is temporarily offline.
Protocol Conversion #
Translating communication protocols (e.g., MLLP, REST, SOAP) between systems that use different methods for sending and receiving data.
Routing Logic #
Rules built into the middleware engine that determine where and how data should flow — for example, sending lab results to both the EHR and a backup server.
Transformation Mapping #
A function that converts the structure of one data message into another. For example, mapping HL7 message segments to FHIR resource formats or translating vendor-specific codes into standard values.
Message Acknowledgement (ACK) #
A confirmation is sent from the receiving system back to the sender to indicate that a message has been received and processed successfully.
System Integration Testing (SIT) #
A QA process where all connected systems, including middleware, are tested to ensure reliable data flow and error handling in real-world conditions.
Audit Logging #
A secure record of every data exchange, transformation, or system access occurs within the middleware environment used for security, compliance, and troubleshooting.
Throughput Monitoring #
Tracking the volume and speed of data passing through middleware systems. Helps ensure high performance and alerts the team if delays or failures occur.
REST API (Representational State Transfer Application Programming Interface) #
A modern, lightweight architecture for building APIs that use standard HTTP methods (GET, POST, PUT, DELETE). REST APIs are widely used in healthcare to allow real-time data exchange between EHRs, middleware platforms, and medical devices.
SOAP (Simple Object Access Protocol) #
Some legacy healthcare systems still use an older, XML-based messaging protocol. SOAP APIs are more rigid than REST but offer built-in error handling and strict data structure enforcement.
Webhooks #
Event-driven messages are sent from one system to another in real time when a specific action occurs. In healthcare, webhooks can notify systems when new lab results are available or when a patient’s device reading exceeds a threshold.
Polling #
A method where one system repeatedly checks another for updates at regular intervals. Often used when webhooks aren’t supported, but it’s less efficient and real-time.
Middleware Connector #
A pre-built software component that facilitates integration between specific systems or vendors, such as a connector that links a dialysis machine to a particular EHR.
JSON (JavaScript Object Notation) #
A lightweight data format often used in REST APIs. It’s easy to read and write, making it a standard for healthcare data exchange using FHIR.
XML (eXtensible Markup Language) #
Another structured data format is used widely in legacy systems, especially in HL7 v3 and SOAP APIs. It’s more verbose than JSON but is still used across many healthcare platforms.
Endpoint #
A specific URL within an API that performs a particular function, like retrieving a patient’s record or submitting device data. Each endpoint corresponds to a system function exposed through the API.
Token-Based Authentication #
A security mechanism is used in API communication. Tokens (like OAuth 2.0) validate a user or system before it can access or send healthcare data.
Load Balancing #
Distribute incoming traffic across multiple servers or processing units to ensure middleware and API services remain responsive, especially under heavy data exchange loads.
Failover System #
A backup system that automatically takes over when the primary system fails. Critical in middleware environments to prevent downtime in patient care systems.
Latency #
The delay between when data is sent from one system and when it is received or processed by another. In healthcare interoperability, low latency is essential for real-time monitoring and alerting.
Throughput #
The amount of data successfully processed or transferred through the middleware over a period of time. High throughput is critical for handling large volumes of device or patient data.
Data Orchestration #
The coordination and management of multiple data flows across systems. Middleware platforms often orchestrate when, how, and where healthcare data is routed, transformed, and stored.
BMR TechWorks is the only solution offering advanced device integration paired with technical analytics in a single, easy-to-deploy platform.
Visit: www.bmrtw.com
Contact: sales@bmrtw.com
