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Technology & Standards

What Is SMART on FHIR?

Quick answer

A standards-based framework that lets third-party applications securely launch within, and exchange data with, EHRs using FHIR APIs.

Written & reviewed by the Unlimited Systems Revenue Cycle TeamLast reviewed May 2026

Key takeaways

  • SMART on FHIR is a technology & standards concept in healthcare revenue cycle management.
  • A standards-based framework that lets third-party applications securely launch within, and exchange data with, EHRs using FHIR APIs.
  • Built on standards like X12 EDI and HL7 FHIR

SMART on FHIR explained

SMART on FHIR lets practices add specialized apps to their EHR without custom integrations for each one.

Certified EHRs are required to support standardized APIs, which has expanded the use of SMART apps.

Where SMART on FHIR fits in the revenue cycle

SMART on FHIR sits within the technical infrastructure underneath the revenue cycle. It is a healthcare data standard or technology concept that governs how billing information is exchanged electronically.

You'll encounter SMART on FHIR on payer communications, billing reports, and in conversations between front-office, coding, and accounts-receivable teams.

Why SMART on FHIR matters for your practice

Modern revenue cycles run on electronic data exchange. Standards like the X12 EDI transaction set and HL7 FHIR define how eligibility checks, claims, and remittances move between providers, clearinghouses, and payers. Understanding them is key to clean integrations, automation, and interoperability.

  • Defines how billing data is exchanged electronically
  • Built on standards like X12 EDI and HL7 FHIR
  • Underpins automation, clearinghouse, and EHR integrations
  • Clean data exchange reduces rejections and manual work

SMART on FHIR in practice

Knowing what SMART on FHIR means is only useful if it changes what your team does. In a modern revenue cycle, that means catching issues related to technology & Standards earlier, documenting and coding them correctly, and using technology to flag exceptions automatically rather than discovering them after a claim is denied.

This is exactly where a specialty-built revenue cycle platform earns its keep: by encoding the rules behind terms like SMART on FHIR directly into the workflow, so clean claims go out the first time and your team works by exception instead of chasing problems after the fact.

SMART on FHIR: frequently asked questions

What is SMART on FHIR?

A standards-based framework that lets third-party applications securely launch within, and exchange data with, EHRs using FHIR APIs.

What does SMART on FHIR mean in medical billing?

In medical billing, SMART on FHIR falls under Technology & Standards. It is a healthcare data standard or technology concept that governs how billing information is exchanged electronically.

Why is SMART on FHIR important in the revenue cycle?

Modern revenue cycles run on electronic data exchange. Standards like the X12 EDI transaction set and HL7 FHIR define how eligibility checks, claims, and remittances move between providers, clearinghouses, and payers. Understanding them is key to clean integrations, automation, and interoperability.

Authoritative sources

For the most current rules and requirements, consult the primary sources that govern this area of healthcare billing:

Unlimited Systems Revenue Cycle Team
RCM & medical billing specialists

Unlimited Systems has built specialty revenue cycle technology for healthcare providers for two decades. This glossary is maintained by our in-house team of billing, coding, and reimbursement specialists.

Put SMART on FHIR to work in your practice

See how the Unlimited Systems platform automates clean claims, denial management, eligibility verification, and more across your revenue cycle.

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