Mirth Connect Integration Services: HL7 Interface Engine Development, Licensing and Migration
QSS Technosoft builds, runs and migrates HL7 Mirth Connect integrations for hospitals, labs, healthtech companies and exchanges: channel development for ADT, orders, results and documents; NextGen Mirth Connect 4.6 licensing and upgrades; migration to Open Integration Engine, BridgeLink or Iguana; and 24/7 managed interface operations. Whatever you decided about the 2025 licence change, or haven’t yet, we make the interfaces keep flowing.
16+ years in healthcare · 20+ EHR, EMR and HIS integrations | CMMI Level 3 · ISO 27001 · ISO 9001
For fifteen years Mirth Connect was the HL7 interface engine most hospitals reached for first, because it was open source and it worked. In March 2025 NextGen Healthcare made version 4.6 and everything after it commercial-only, left 4.5.2 as the last open-source release with no further patches, and the community answered with two forks, Open Integration Engine and BridgeLink. Every organisation running the Mirth Connect HL7 interface engine now has a decision to make, and most of the interfaces still have to keep running while they make it. QSS has built HL7 Mirth Connect integrations for hospitals, labs, senior-care networks and healthtech products for 16+ years, and we now spend as much time helping clients choose and execute a licence path as we do building channels.
What you’re up against, and what changes when you work with us
Mirth projects rarely fail on HL7. They fail on the channel nobody documented, the version that stopped getting patches, the vendor feed that changed its dialect, and the on-call rota that is one person. Here is where we see Mirth users get stuck in 2026, and how our Mirth Connect integration services are built to get them unstuck.
| What you’re up against | How we solve it | You gain |
|---|---|---|
| You’re on 4.5.2 and it no longer gets security patches | A Mirth licence assessment that prices all three doors for your environment: license NextGen Mirth Connect 4.6+, move to Open Integration Engine or BridgeLink, or migrate to Iguana or Rhapsody. | a defensible decision, not a default. |
| Migration sounds like a rewrite | Channel-by-channel export, import and parallel validation on the target engine, with message-level comparison and zero-downtime cut-over. | the same interfaces on a supported engine, no feeds dropped. |
| Every vendor speaks a different HL7 | Message profiling, mapping and transformation per partner, with conformance testing before go-live and a reusable template library. | feeds that parse the first time and keep parsing. |
| Channels fail silently until a clinician notices | Monitoring, alerting and automated replay on every channel, dashboards your team can read, and an on-call model that covers nights. | problems caught before the ward does. |
| The EHR now only offers FHIR | FHIR R4 channels and v2-to-FHIR transformation inside Mirth, so legacy feeds and modern APIs meet in one layer. | modern APIs without replacing what works. |
| Mirth skills are scarce and your one expert is leaving | Dedicated Mirth engineers and interface analysts ramped in weeks, documentation of every existing channel, and managed operations if you’d rather not run it at all. | continuity that doesn’t depend on one person. |
Mirth Connect Integration Services: What We Build and Run
Six kinds of Mirth work, one team. Three are what Mirth services have always been: channels, integrations and operations. Three are what 2026 added: licence decisions, upgrades and migrations. Whether you run NextGen Mirth Connect commercially, a 4.5.2 install you’re nursing along, or one of the forks, the same engineers handle all six.
The core of the Mirth Connect HL7 interface engine: channels that receive, filter, transform and route messages between the systems a hospital runs, built to a documented standard your own team can maintain.
- ADT, ORM/OMG, ORU, SIU, MDM, DFT, MFN and custom HL7 v2 message types
- JavaScript transformers, filters, code templates and reusable channel libraries
- MLLP, TCP/IP, SFTP, HTTPS, database, file and web-service connectors
- C-CDA, X12, NCPDP, DICOM and JSON/XML handling alongside HL7
The connections that make the engine useful: Mirth channels to and from the systems on either side, on the standards each partner uses.
- Epic, Oracle Health (Cerner), Meditech, Allscripts (Veradigm), athenahealth, OpenEMR and NextGen EHR
- LIS and reference labs (LabCorp, Quest and others), RIS/PACS, pharmacy and e-prescribing (NCPDP)
- Payer and clearinghouse feeds (X12 270/271, 837/835)
- HIE, Carequality, CommonWell and TEFCA connectivity via the engine
A scoped assessment of your environment, then execution of the path you choose, including the commercial upgrade where that is the right answer.
- Inventory of channels, versions, extensions, dependencies and security posture
- Cost comparison: NextGen Mirth Connect 4.6+ tiers vs fork vs alternative engine, over three years
- Upgrade to 4.6+ with SSL Manager, Channel History, Message Generator and Mirth Command Center where licensed
- Licence-tier selection and NextGen procurement support; licence fees are yours, engineering is ours
Moving your interfaces to a supported engine without dropping a feed, whether that engine is a Mirth fork or a different platform.
- Channel-by-channel export and import to Open Integration Engine or BridgeLink (functionally identical to Mirth 4.5.2)
- Re-implementation on Iguana or Rhapsody where a different engine fits better (see Iguana Integration)
- Parallel run with message-level comparison, then phased cut-over and rollback plan
- Documentation, training and hand-over so the new engine is not a new single point of failure
Modern exchange through the same engine: FHIR R4 channels, REST and SOAP APIs, and Mirth deployed where you need it.
- FHIR R4 listener and sender channels; HL7 v2 to FHIR and C-CDA to FHIR transformation
- REST/SOAP web-service channels for apps, portals and third-party services
- Deployment on AWS, Azure or Google Cloud, on-premise or hybrid, with high availability and disaster recovery
- Containerised Mirth or OIE with infrastructure as code and CI/CD for channels
The interfaces you already have, monitored, supported and kept current, whether we built them or not.
- Channel monitoring, alerting, queue management and automated replay
- Version upgrades, extension management, certificate renewals and security patching
- Performance tuning, load balancing and capacity planning
- 24/7 help desk with named interface analysts and agreed response times
Why Healthcare Organisations Choose QSS for HL7 Mirth Connect Integration
A Mirth Connect HL7 interface engine is judged on what happens after the demo: the channel that still parses when the lab changes its ORU, the upgrade that doesn’t take the feeds down, the migration that loses no message, the 3 am alert that reaches someone who can fix it. QSS runs Mirth as a practice, not a skill on a CV, with a dedicated Iguana practice beside it for the clients who choose to leave.
Mirth is a dedicated practice
Named Mirth engineers and interface analysts, a reusable channel and code-template library, and 20+ EHR, EMR and HIS integrations delivered through the engine. Learn more
All three licence paths, no preference
We license, we fork, we migrate. Because we run Iguana and Rhapsody too, our recommendation is not shaped by which engine we know. Learn more
Interfaces we run, not just build
Monitoring, alerting, replay and 24/7 support as a managed service, so the feeds keep flowing after go-live and through the next upgrade. Learn more
Compliance and regulation built in
HIPAA, HITECH, Cures Act API rules, 42 CFR Part 2 consent handling, TLS on every channel, ATNA-style audit, and a plan for the security exposure of an unpatched 4.5.2. Learn more
Both standards, one engine
HL7 v2 for the systems that still run on it, FHIR R4 for anything new, transformed inside the same channels. Learn more
Mature, flexible delivery
Fixed-scope channel sets, dedicated Mirth teams or managed operations, under CMMI Level 3 and ISO 27001, with 4.9/5 on Clutch. Learn more
Capabilities we build into your Mirth Connect environment
Every Mirth environment is scoped to its systems and partners, but these are the building blocks we draw on most often. Select the ones that matter and we’ll map them to your channels in the discovery call.
HL7 v2 channels
ADT, ORM, ORU, SIU, MDM, DFT and custom message types
Transformers & filters
JavaScript mapping, validation and routing logic
Code templates
Reusable functions and libraries across channels
MLLP & TCP listeners
Inbound and outbound HL7 over the standard transports
File, SFTP & database
Batch and polling connectors for legacy sources
HTTP, REST & SOAP
Web-service channels for APIs and apps
FHIR R4 channels
FHIR listeners, senders and resource transformation
v2-to-FHIR mapping
Bridge legacy feeds into FHIR resources
C-CDA & document exchange
Summary documents for transitions of care
X12 EDI
Eligibility, claims and remittance transactions
NCPDP SCRIPT
E-prescribing connectivity
DICOM routing
Imaging metadata and study-notification feeds
Lab & reference-lab feeds
LabCorp, Quest and hospital LIS interfaces
Device & RPM feeds
Vitals from monitors and wearables into the record
Message queuing & replay
Durable queues and automated re-send on failure
Channel monitoring
Status, queue depth, throughput and error dashboards
Alerting
Email, SMS and ticket integration on channel events
High availability
Clustered engines, failover and disaster recovery
Channel History & versioning
Change control on every channel (4.6+ or Git-based)
Conformance testing
Partner simulation and validation before go-live
Licence assessment
Inventory, cost comparison and recommendation
Fork migration
Export, import and parallel validation on OIE or BridgeLink
Engine migration
Re-implementation on Iguana or Rhapsody
Security hardening
TLS, certificate management, RBAC, audit, patching
Mirth Connect integration for every part of healthcare
A hospital, a reference lab and a healthtech vendor use the same engine for different jobs. We build and run Mirth for the organisation you are and the partners you exchange with.
Hospitals & Clinics
Enable real-time access to medical histories, enhance patient care coordination, and streamline workflows with seamless system integration.
Health Insurance Providers
Integrate disparate systems for efficient claims processing, risk management, and secure access to member health records.
Diagnostic Labs & Imaging Centers
Leverage DICOM integration and central data repositories to ensure efficient communication with EHRs and PACS.
Telemedicine & Virtual Care Platforms
Support real-time data exchange, user interfaces, and interoperability with EMRs to deliver remote care services securely.
Public Health Agencies
Aggregate and share data across platforms for better disease surveillance, case tracking, and public health decision-making.
Pharmaceutical & Research Organizations
Enable robust business intelligence and seamless communication to support drug discovery, clinical trials, and regulatory reporting.
Rehabilitation & Long-Term Care Facilities
Integrate patient data with existing EHRs to monitor outcomes, manage treatment plans, and improve care continuity.
Situations we see most in 2026
Still on Mirth 4.5.2
Security exposure assessment and a costed path to a supported engine.
Licensing NextGen Mirth Connect 4.6+
Tier selection, upgrade execution and use of the commercial extensions.
Moving to Open Integration Engine or BridgeLink
Channel-by-channel migration with parallel validation.
Leaving Mirth for Iguana or Rhapsody
Re-implementation, testing and cut-over (see Iguana Integration).
Healthtech vendors embedding an engine
Engine choice, OEM licensing questions and a channel library for your product.
Reference and hospital labs
High-volume ORM/ORU feeds with conformance testing per client.
Senior living and post-acute
EHR, eMAR and pharmacy feeds across facilities (see Eldermark Go).
Managed operations only
We monitor and support the channels you already have.
Our Healthcare Success Stories
Explore how our Mirth Connect Integration & Development Services have empowered healthcare organizations to achieve seamless data exchange, interoperability, and compliance. From large hospital networks to niche healthcare startups, our solutions are making a measurable impact.
Mirth Connect
HIPAA-Compliant Cloud Storage App
We integrated Mirth Connect to facilitate secure HL7 messaging for a HIPAA-compliant cloud storage platform tailored for senior living communities. The solution enables effortless digital document uploads, e-signatures, and secure sharing without reliance on physical mail or fax.
Mirth Connect · HL7 · AWS · Angular · Node.js · MongoDB
- ✓Enabled HIPAA-compliant document exchange using Mirth-powered HL7 integration
- ✓Reduced paper-based operations by over 90%
- ✓Integrated secure e-signature workflows to streamline authorizations
- ✓Improved document retrieval speed by 75% for caregivers and administrators
Mirth Connect
Point of Care App
We used Mirth Connect to streamline real-time data transmission between caregivers and administrative systems for a senior living point-of-care application. This mobility-driven solution allowed instant tracking of caregiver services and simplified medication management.
Mirth Connect · HL7 · React Native · Firebase · PostgreSQL
- ✓Enabled real-time caregiver service tracking via HL7-based data sync
- ✓Digitized medication management, eliminating manual paperwork
- ✓Reduced reporting time by 60% with automated care logs
Mirth Connect
EMAR App
We leveraged Mirth Connect to digitize medication administration workflows by capturing real-time clinical actions and prescriptions in compliance with healthcare standards. The app allows safe storage of medical records and facilitates direct communication between prescribers and dispensers.
Mirth Connect · HL7 · .NET Core · SQL Server · React.js
- ✓Implemented real-time HL7 messaging for medication orders and administration
- ✓Reduced clinical documentation time by 50%
- ✓Strengthened compliance with secure digital recordkeeping
AI-assisted channel development, with interface analysts in control
Channel work is full of repetitive, error-prone tasks: reading a vendor spec, drafting a transformer, spotting the feed that changed. We use AI where it saves an analyst hours and catches problems earlier, and we keep a person in control of every mapping that touches patient data.
Transformer and mapping drafts
Models read vendor specifications and sample messages and draft JavaScript transformers and field mappings for analyst review.
In practice: A new lab partner’s ORU spec becomes a draft channel in hours, not days.
Message anomaly and drift detection
Machine learning on channel traffic flags malformed messages, terminology drift and unusual volumes before they reach clinicians.
In practice: A lab that starts sending results under a new local code is caught within minutes.
Migration verification
Automated message-level comparison between the source and target engine during a parallel run, with discrepancies queued for review.
In practice: Ten thousand messages replayed through OIE and Mirth 4.5.2 are compared overnight; three differences are reviewed in the morning.
Terminology mapping
AI-assisted mapping of local codes to SNOMED CT, LOINC and RxNorm with confidence scores and a stewardship queue.
In practice: Most of a hospital’s local lab codes are mapped automatically; the rest go to a human.
Compliance and security, engineered in
An interface engine carries every message a hospital exchanges, and an unpatched engine is a security finding waiting to be written. We design every Mirth environment to the regulations that apply and to the reality of the 2025 licence change, and we can show you how, control by control.
A documented position on 4.5.2 exposure, with compensating controls while a licence, fork or migration decision is executed, and a target date for a supported engine.
TLS 1.2+ on every MLLP, HTTPS and API channel; mutual TLS where partners support it; certificate lifecycle management (SSL Manager on 4.6+, or scripted on forks).
Role-based access to the administrator, channel-level permissions, MFA at the platform edge, and no shared accounts.
Message audit, channel change history and administrative logs retained for OCR audits; Channel History on 4.6+ or Git-based versioning on forks.
42 CFR Part 2 and opt-in/opt-out rules enforced in routing logic; sensitive-data segmentation where required.
HIPAA-eligible environments on AWS, Azure or Google Cloud with Business Associate Agreements; on-premise where required; backups and tested disaster recovery.
FHIR channels built to ONC specifications and USCDI data classes where the engine fronts patient-access APIs.
Third-party vulnerability assessments and penetration tests tracked to closure; conformance and load testing before every partner go-live.
How we work with you
Our Engagement Models Include
Fixed-scope channels, upgrade or migration
Best when you have a defined list of feeds, an upgrade or a migration with a date. Fixed price, milestone-based delivery.
Dedicated Mirth team
Best when integration is continuous. Named Mirth engineers and interface analysts who work as an extension of yours (see Hire Mirth Connect Developers).
Managed Mirth operations
Best when you want the channels you already have monitored, supported and kept current, with build capacity on call.
What you get from a 30-minute discovery call
Thirty minutes with a healthcare interoperability architect, not a salesperson. You leave with:
Book a Discovery Call- A first read on your licence position: 4.5.2 exposure, NextGen tier, fork or alternative engine
- An interface map: channels, partners, message types and the systems on the other end
- A view on FHIR inside Mirth vs a separate FHIR facade for your case
- Compliance considerations: patch status, consent handling, audit
- A ballpark cost range, timeline and recommended phase-one scope
Engines, versions, extensions and tools
Precision matters here, because the version decides the licence and the licence decides the path. These are the engines, versions and tools we work with, grouped so you can find your own.
Mirth Connect 3.x and 4.0–4.5.2 (open source, MPL 2.0, no longer patched)NextGen Mirth Connect 4.6 and later (commercial)SSL ManagerChannel HistoryMessage GeneratorMirth Command CenterAdvanced AlertingClusteringOpen Integration Engine (OIE)BridgeLinkIguana (iNTERFACEWARE)Rhapsody (incl. former Corepoint)Infor CloverleafQvera QIE
HL7 v2.x
FHIR R4C-CDAX12NCPDP SCRIPT
DICOMIHEDirectUSCDIMLLPTCP/IPHTTP/HTTPSSFTP/FTPFileDatabase (JDBC)JMSSMTPWeb services (REST/SOAP)DICOM
JavaScript transformers
JavaVelocity templatesGit-based channel versioningMirth CLI
Docker imagesTerraform
AWS
Microsoft Azure
Google CloudOn-premise
KubernetesHL7 Inspector7Edit
PostmanCustom message simulatorsGrafana/PrometheusChannel dashboards and alertingWhat Mirth Connect integration costs, and how long it takes
Every Mirth environment is scoped to its channels and partners, but buyers deserve a straight answer, and in 2026 the answer has a licence line in it. These are typical engineering ranges based on our delivery history and current market rates; NextGen licence fees are separate and quoted from the vendor’s current tier sheet.
| Single channel or interface set | Implementation, upgrade or fork migration | Enterprise interface programme with managed operations | |
|---|---|---|---|
| Typical timeline | 2 – 5 weeks | 6 – 12 weeks | 4 – 8 months, phased |
| Typical investment | $6,000 – $16,000 | $25,000 – $60,000 | $70,000 – $150,000+ |
| What’s included | One or a few HL7 Mirth Connect channels to a single partner: mapping, transformation, testing, go-live, documentation | New Mirth or OIE environment with high availability, or upgrade to NextGen Mirth Connect 4.6+, or channel-by-channel migration to OIE/BridgeLink/Iguana with parallel validation; licence assessment; monitoring and hypercare | Multi-system channel programme across EHR, labs, imaging, pharmacy and payers, FHIR channels, national-network connectivity, and 12 months of managed operations |
Common Questions,
Expert Answers
Answers about Mirth Connect integration: standards, the 2025 licence change, NextGen 4.6, fork and engine migration, security, timelines and costs.
Mirth Connect is a cross-platform integration engine used primarily in healthcare to facilitate data exchange between systems such as EHRs, labs, imaging systems and more. It supports HL7 v2 and v3, FHIR, X12, DICOM, C-CDA and REST/SOAP APIs, with customisable channels, a JavaScript transformation engine, near-real-time processing, TLS and access controls, and extensive logging and monitoring, on-premise, in the cloud or hybrid. It was open source for fifteen years; since version 4.6 (March 2025) it is a commercial product from NextGen Healthcare, with 4.5.2 as the last open-source release and community forks available.
Yes, our team specializes in integrating Mirth Connect with all major healthcare systems such as Electronic Health Records (EHRs), Laboratory Information Systems (LIS), Radiology Information Systems (RIS), and Picture Archiving and Communication Systems (PACS).
Fast deployment and customisation, broad protocol support, real-time message transformation and routing, strong security and logging features, and the largest installed base and skills pool of any HL7 interface engine. Licensing is now commercial for version 4.6 and later; the forks preserve the open-source option for organisations that need it.
Absolutely. Mirth Connect supports FHIR (R4, DSTU2, STU3) and can be used to consume, transform, or expose FHIR resources for seamless API-driven data sharing between systems and third-party apps.
We offer end-to-end support, real-time monitoring, and 24/7 troubleshooting. Our services include log and channel monitoring, channel updates, version upgrades, performance tuning, certificate management and compliance audits.
Yes, Mirth Connect can be deployed in on-premise, cloud-based, or hybrid environments, depending on your infrastructure preferences and security requirements.
HL7 v2 and v3, FHIR, C-CDA, DICOM, X12 (EDI), NCPDP, and RESTful and SOAP APIs.
Yes. Mirth Connect can be configured with secure communication protocols, access controls, and audit trails to meet HIPAA, HITECH, GDPR, and other industry compliance standards. Note that an unpatched 4.5.2 install is a growing security and compliance exposure; see the licence question below.
We configure Mirth Connect to support real-time messaging and transformation using channels that automatically route, filter, and convert healthcare messages instantly between systems to ensure uninterrupted clinical workflows.
Yes. We provide custom Mirth Connect integration services, including channel configuration, scripting, data mapping, and route customization tailored to your unique healthcare workflows.
Mirth Connect is highly scalable and flexible, making it suitable for both small clinics and large health networks. Whether you need a lightweight integration for a private practice or enterprise-wide interoperability, we can tailor the solution accordingly.
Deep expertise in healthcare interoperability; engineers experienced in HL7, FHIR, DICOM and X12; custom-built channels based on your workflow; proven experience with hospitals, labs, senior-care networks and telehealth platforms; experience with all three licence paths (NextGen commercial, forks, alternative engines); and end-to-end monitoring, optimisation and 24/7 support.
No. On 19 March 2025 NextGen Healthcare moved Mirth Connect to a single commercial licence starting with version 4.6. Version 4.5.2 remains available under the Mozilla Public License 2.0 but receives no further security patches or bug fixes. Organisations running the open-source version have three options: stay on 4.5.2 and accept the growing exposure, purchase a NextGen Mirth Connect licence and upgrade, or migrate to an open-source fork (Open Integration Engine or BridgeLink) or another engine. We help you price and execute whichever path fits.
NextGen Mirth Connect 4.6 and later bring features that were previously commercial-only into the entry tier, including SSL Manager for certificate management, Channel History for versioning, Message Generator for testing, and Mirth Command Center for monitoring, plus vendor support and security patches. Whether to pay depends on channel count, how much you rely on those extensions, your risk appetite for community-maintained software, and the three-year cost against a fork or another engine. Our licence assessment gives you that comparison for your environment.
Both forks are functionally identical to Mirth Connect 4.5.2, so channels export and import without rewriting. We inventory every channel and dependency, stand up the target engine with high availability, import channels, run both engines in parallel with message-level comparison, resolve any differences, cut over feed by feed with a rollback plan, and hand over documentation. Migrating to Iguana or Rhapsody is a re-implementation rather than an import, and we scope it that way.
The Mirth Connect HL7 interface engine uses JavaScript transformers and a channel model that most healthcare integration engineers already know, with the largest installed base and skills pool, and, through the forks, a continuing open-source option. Iguana offers faster channel development with a Lua-based translator and strong vendor support; Rhapsody is the enterprise choice for very large health systems. We run all three, so our recommendation is based on your channels, team and budget rather than on the engine we prefer.
Yes. We start with a channel inventory and documentation pass, then monitoring and alerting, then a supported-version plan. Most take-overs begin as managed operations and add build capacity as needed; the first deliverable is usually the documentation that the previous team never wrote.
Ready to decide what to do about Mirth, and keep the feeds flowing while you do?
Talk to a healthcare interoperability architect about your channels, your partners and your licence position. No obligation, and you leave the call with a channel inventory template, a first read on the three paths and a cost range.
